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Finding the Fourth Proportional to 1,524.53, 2,286.56 and 484.40

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Solution

The fourth proportional to 1,524.53, 2,286.56 and 484.40 is: 726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,524.53 : 2,286.56 = 484.40 : x
  2. Step 2: Convert to fraction form
    1,524.53/2,286.56 = 484.40/x
  3. Step 3: Cross multiply
    1,524.53x = 2,286.56 × 484.40
  4. Step 4: Simplify right side
    1,524.53x = 1,107,595.81
  5. Step 5: Solve for x
    x = 1,107,595.81/1,524.53
  6. Step 6: Final answer
    x = 726.52

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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.