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Finding the Fourth Proportional to 2,379.62, 3,568.14 and 1,080.38

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Solution

The fourth proportional to 2,379.62, 3,568.14 and 1,080.38 is: 1,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.62 : 3,568.14 = 1,080.38 : x
  2. Step 2: Convert to fraction form
    2,379.62/3,568.14 = 1,080.38/x
  3. Step 3: Cross multiply
    2,379.62x = 3,568.14 × 1,080.38
  4. Step 4: Simplify right side
    2,379.62x = 3,854,929.25
  5. Step 5: Solve for x
    x = 3,854,929.25/2,379.62
  6. Step 6: Final answer
    x = 1,619.98

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