Home / 3,726.92-5,142.68-2,234.60

Finding the Fourth Proportional to 3,726.92, 5,142.68 and 2,234.60

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Solution

The fourth proportional to 3,726.92, 5,142.68 and 2,234.60 is: 3,083.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.92 : 5,142.68 = 2,234.60 : x
  2. Step 2: Convert to fraction form
    3,726.92/5,142.68 = 2,234.60/x
  3. Step 3: Cross multiply
    3,726.92x = 5,142.68 × 2,234.60
  4. Step 4: Simplify right side
    3,726.92x = 11,491,832.73
  5. Step 5: Solve for x
    x = 11,491,832.73/3,726.92
  6. Step 6: Final answer
    x = 3,083.47

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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.