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Finding the Fourth Proportional to 1,717.59, 2,575.98 and 484.67

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Solution

The fourth proportional to 1,717.59, 2,575.98 and 484.67 is: 726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.59 : 2,575.98 = 484.67 : x
  2. Step 2: Convert to fraction form
    1,717.59/2,575.98 = 484.67/x
  3. Step 3: Cross multiply
    1,717.59x = 2,575.98 × 484.67
  4. Step 4: Simplify right side
    1,717.59x = 1,248,487.35
  5. Step 5: Solve for x
    x = 1,248,487.35/1,717.59
  6. Step 6: Final answer
    x = 726.88

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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.