Home / 2,491.13-3,737.49-1,192.70

Finding the Fourth Proportional to 2,491.13, 3,737.49 and 1,192.70

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Solution

The fourth proportional to 2,491.13, 3,737.49 and 1,192.70 is: 1,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.13 : 3,737.49 = 1,192.70 : x
  2. Step 2: Convert to fraction form
    2,491.13/3,737.49 = 1,192.70/x
  3. Step 3: Cross multiply
    2,491.13x = 3,737.49 × 1,192.70
  4. Step 4: Simplify right side
    2,491.13x = 4,457,685.64
  5. Step 5: Solve for x
    x = 4,457,685.64/2,491.13
  6. Step 6: Final answer
    x = 1,789.43

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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.