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Finding the Fourth Proportional to 2,839.79, 4,253.54 and 1,375.88

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Solution

The fourth proportional to 2,839.79, 4,253.54 and 1,375.88 is: 2,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.79 : 4,253.54 = 1,375.88 : x
  2. Step 2: Convert to fraction form
    2,839.79/4,253.54 = 1,375.88/x
  3. Step 3: Cross multiply
    2,839.79x = 4,253.54 × 1,375.88
  4. Step 4: Simplify right side
    2,839.79x = 5,852,332.47
  5. Step 5: Solve for x
    x = 5,852,332.47/2,839.79
  6. Step 6: Final answer
    x = 2,060.83

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