Rule of Proportion app icon

Apps Like Rule of Proportion for iPhone and iPad

Solve proportions with 3 variables

Solve problems by entering three of four variables. Perform calculations using the . Store input history and view detailed solutions. Support entering fractions, decimals, and constants. Remove ads for an ad-free experience.

by Glindemann, Sennoun, Langer GbR★ 4.716 ratingsEducationFreeData updated 2026-09-06

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