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Finding the Fourth Proportional to 1,500.71, 2,250.53 and 576.55

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Solution

The fourth proportional to 1,500.71, 2,250.53 and 576.55 is: 864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500.71 : 2,250.53 = 576.55 : x
  2. Step 2: Convert to fraction form
    1,500.71/2,250.53 = 576.55/x
  3. Step 3: Cross multiply
    1,500.71x = 2,250.53 × 576.55
  4. Step 4: Simplify right side
    1,500.71x = 1,297,548.41
  5. Step 5: Solve for x
    x = 1,297,548.41/1,500.71
  6. Step 6: Final answer
    x = 864.62

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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.