Home / 3,930.52-5,424.11-2,358.61

Finding the Fourth Proportional to 3,930.52, 5,424.11 and 2,358.61

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Solution

The fourth proportional to 3,930.52, 5,424.11 and 2,358.61 is: 3,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.52 : 5,424.11 = 2,358.61 : x
  2. Step 2: Convert to fraction form
    3,930.52/5,424.11 = 2,358.61/x
  3. Step 3: Cross multiply
    3,930.52x = 5,424.11 × 2,358.61
  4. Step 4: Simplify right side
    3,930.52x = 12,793,352.42
  5. Step 5: Solve for x
    x = 12,793,352.42/3,930.52
  6. Step 6: Final answer
    x = 3,254.88

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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.