Rule of Three (Direct Proportion)
First Ratio
Second Ratio
Calculate direct proportions using the rule of three method.
Features
- Easy-to-use interface for direct proportion calculations
- See the complete calculation process
- Adjust the number of decimal places in the result
- View the formula used for the calculation
How to Use
- Input the three known values in the appropriate fields
- Click the calculate button to find the unknown value
- See the calculated result and the step-by-step solution
- Change the number of decimal places if needed
Common Uses
- Calculate prices for different quantities of products
- Adjust ingredient quantities for different serving sizes
- Convert between different currencies
- Calculate travel times for different distances