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Finding the Fourth Proportional to 3,425.94, 5,134.79 and 1,574.52

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Solution

The fourth proportional to 3,425.94, 5,134.79 and 1,574.52 is: 2,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.94 : 5,134.79 = 1,574.52 : x
  2. Step 2: Convert to fraction form
    3,425.94/5,134.79 = 1,574.52/x
  3. Step 3: Cross multiply
    3,425.94x = 5,134.79 × 1,574.52
  4. Step 4: Simplify right side
    3,425.94x = 8,084,821.68
  5. Step 5: Solve for x
    x = 8,084,821.68/3,425.94
  6. Step 6: Final answer
    x = 2,359.88

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