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Finding the Fourth Proportional to 3,937.55, 5,902.28 and 1,747.31

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Solution

The fourth proportional to 3,937.55, 5,902.28 and 1,747.31 is: 2,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.55 : 5,902.28 = 1,747.31 : x
  2. Step 2: Convert to fraction form
    3,937.55/5,902.28 = 1,747.31/x
  3. Step 3: Cross multiply
    3,937.55x = 5,902.28 × 1,747.31
  4. Step 4: Simplify right side
    3,937.55x = 10,313,125.44
  5. Step 5: Solve for x
    x = 10,313,125.44/3,937.55
  6. Step 6: Final answer
    x = 2,619.17

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