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Finding the Fourth Proportional to 3,155.08, 4,734.78 and 1,617.16

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Solution

The fourth proportional to 3,155.08, 4,734.78 and 1,617.16 is: 2,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.08 : 4,734.78 = 1,617.16 : x
  2. Step 2: Convert to fraction form
    3,155.08/4,734.78 = 1,617.16/x
  3. Step 3: Cross multiply
    3,155.08x = 4,734.78 × 1,617.16
  4. Step 4: Simplify right side
    3,155.08x = 7,656,896.82
  5. Step 5: Solve for x
    x = 7,656,896.82/3,155.08
  6. Step 6: Final answer
    x = 2,426.85

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