Home / 2,472.43-3,414.78-1,685.11

Finding the Fourth Proportional to 2,472.43, 3,414.78 and 1,685.11

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Solution

The fourth proportional to 2,472.43, 3,414.78 and 1,685.11 is: 2,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.43 : 3,414.78 = 1,685.11 : x
  2. Step 2: Convert to fraction form
    2,472.43/3,414.78 = 1,685.11/x
  3. Step 3: Cross multiply
    2,472.43x = 3,414.78 × 1,685.11
  4. Step 4: Simplify right side
    2,472.43x = 5,754,279.93
  5. Step 5: Solve for x
    x = 5,754,279.93/2,472.43
  6. Step 6: Final answer
    x = 2,327.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.