Home / 2,719.92-3,753.17-1,540.95

Finding the Fourth Proportional to 2,719.92, 3,753.17 and 1,540.95

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Solution

The fourth proportional to 2,719.92, 3,753.17 and 1,540.95 is: 2,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.92 : 3,753.17 = 1,540.95 : x
  2. Step 2: Convert to fraction form
    2,719.92/3,753.17 = 1,540.95/x
  3. Step 3: Cross multiply
    2,719.92x = 3,753.17 × 1,540.95
  4. Step 4: Simplify right side
    2,719.92x = 5,783,439.61
  5. Step 5: Solve for x
    x = 5,783,439.61/2,719.92
  6. Step 6: Final answer
    x = 2,126.33

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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.