Home / 3,937.29-5,432.52-2,235.71

Finding the Fourth Proportional to 3,937.29, 5,432.52 and 2,235.71

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Solution

The fourth proportional to 3,937.29, 5,432.52 and 2,235.71 is: 3,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.29 : 5,432.52 = 2,235.71 : x
  2. Step 2: Convert to fraction form
    3,937.29/5,432.52 = 2,235.71/x
  3. Step 3: Cross multiply
    3,937.29x = 5,432.52 × 2,235.71
  4. Step 4: Simplify right side
    3,937.29x = 12,145,512.13
  5. Step 5: Solve for x
    x = 12,145,512.13/3,937.29
  6. Step 6: Final answer
    x = 3,084.74

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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.