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Finding the Fourth Proportional to 1,584.11, 2,375.62 and 488.54

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Solution

The fourth proportional to 1,584.11, 2,375.62 and 488.54 is: 732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.11 : 2,375.62 = 488.54 : x
  2. Step 2: Convert to fraction form
    1,584.11/2,375.62 = 488.54/x
  3. Step 3: Cross multiply
    1,584.11x = 2,375.62 × 488.54
  4. Step 4: Simplify right side
    1,584.11x = 1,160,585.39
  5. Step 5: Solve for x
    x = 1,160,585.39/1,584.11
  6. Step 6: Final answer
    x = 732.64

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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.