Home / 1,149.33-1,724.01-327.61

Finding the Fourth Proportional to 1,149.33, 1,724.01 and 327.61

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Solution

The fourth proportional to 1,149.33, 1,724.01 and 327.61 is: 491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.33 : 1,724.01 = 327.61 : x
  2. Step 2: Convert to fraction form
    1,149.33/1,724.01 = 327.61/x
  3. Step 3: Cross multiply
    1,149.33x = 1,724.01 × 327.61
  4. Step 4: Simplify right side
    1,149.33x = 564,802.92
  5. Step 5: Solve for x
    x = 564,802.92/1,149.33
  6. Step 6: Final answer
    x = 491.42

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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.