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Finding the Fourth Proportional to 3,432.92, 5,147.18 and 1,584.45

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Solution

The fourth proportional to 3,432.92, 5,147.18 and 1,584.45 is: 2,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.92 : 5,147.18 = 1,584.45 : x
  2. Step 2: Convert to fraction form
    3,432.92/5,147.18 = 1,584.45/x
  3. Step 3: Cross multiply
    3,432.92x = 5,147.18 × 1,584.45
  4. Step 4: Simplify right side
    3,432.92x = 8,155,449.35
  5. Step 5: Solve for x
    x = 8,155,449.35/3,432.92
  6. Step 6: Final answer
    x = 2,375.66

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