Home / 938-2,021.50

Finding the Third Proportional to 938 and 2,021.50

Calculator

Solution

The third proportional to 938 and 2,021.50 is: 4,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    938 : 2,021.50 = 2,021.50 : x
  2. Step 2: Convert to fraction form
    938/2,021.50 = 2,021.50/x
  3. Step 3: Cross multiply
    938x = 2,021.50 × 2,021.50
  4. Step 4: Simplify right side
    938x = 4,086,462.25
  5. Step 5: Solve for x
    x = 4,086,462.25/938
  6. Step 6: Final answer
    x = 4,356.57

Related Problems

Find third proportional to 469 and 1,010.75
Half scale
Find third proportional to 1,876 and 4,043
Double scale
Find third proportional to 940 and 2,026
Similar ratio
Find third proportional to 1,407 and 3,032.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.