Home / 1,149.10-1,721.82-532.48

Finding the Fourth Proportional to 1,149.10, 1,721.82 and 532.48

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Solution

The fourth proportional to 1,149.10, 1,721.82 and 532.48 is: 797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.10 : 1,721.82 = 532.48 : x
  2. Step 2: Convert to fraction form
    1,149.10/1,721.82 = 532.48/x
  3. Step 3: Cross multiply
    1,149.10x = 1,721.82 × 532.48
  4. Step 4: Simplify right side
    1,149.10x = 916,834.71
  5. Step 5: Solve for x
    x = 916,834.71/1,149.10
  6. Step 6: Final answer
    x = 797.87

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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.