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Finding the Fourth Proportional to 2,491.86, 3,737.85 and 1,030.62

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Solution

The fourth proportional to 2,491.86, 3,737.85 and 1,030.62 is: 1,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.86 : 3,737.85 = 1,030.62 : x
  2. Step 2: Convert to fraction form
    2,491.86/3,737.85 = 1,030.62/x
  3. Step 3: Cross multiply
    2,491.86x = 3,737.85 × 1,030.62
  4. Step 4: Simplify right side
    2,491.86x = 3,852,302.97
  5. Step 5: Solve for x
    x = 3,852,302.97/2,491.86
  6. Step 6: Final answer
    x = 1,545.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.