Home / 1,149.28-1,723.89-369.25

Finding the Fourth Proportional to 1,149.28, 1,723.89 and 369.25

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Solution

The fourth proportional to 1,149.28, 1,723.89 and 369.25 is: 553.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.28 : 1,723.89 = 369.25 : x
  2. Step 2: Convert to fraction form
    1,149.28/1,723.89 = 369.25/x
  3. Step 3: Cross multiply
    1,149.28x = 1,723.89 × 369.25
  4. Step 4: Simplify right side
    1,149.28x = 636,546.38
  5. Step 5: Solve for x
    x = 636,546.38/1,149.28
  6. Step 6: Final answer
    x = 553.87

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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.