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Finding the Fourth Proportional to 3,839.58, 5,759.17 and 1,891.13

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Solution

The fourth proportional to 3,839.58, 5,759.17 and 1,891.13 is: 2,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.58 : 5,759.17 = 1,891.13 : x
  2. Step 2: Convert to fraction form
    3,839.58/5,759.17 = 1,891.13/x
  3. Step 3: Cross multiply
    3,839.58x = 5,759.17 × 1,891.13
  4. Step 4: Simplify right side
    3,839.58x = 10,891,305.64
  5. Step 5: Solve for x
    x = 10,891,305.64/3,839.58
  6. Step 6: Final answer
    x = 2,836.59

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