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Finding the Fourth Proportional to 3,755.52, 5,631.84 and 2,214.72

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Solution

The fourth proportional to 3,755.52, 5,631.84 and 2,214.72 is: 3,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.52 : 5,631.84 = 2,214.72 : x
  2. Step 2: Convert to fraction form
    3,755.52/5,631.84 = 2,214.72/x
  3. Step 3: Cross multiply
    3,755.52x = 5,631.84 × 2,214.72
  4. Step 4: Simplify right side
    3,755.52x = 12,472,948.68
  5. Step 5: Solve for x
    x = 12,472,948.68/3,755.52
  6. Step 6: Final answer
    x = 3,321.23

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