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Finding the Fourth Proportional to 3,976.92, 5,488.14 and 2,208.52

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Solution

The fourth proportional to 3,976.92, 5,488.14 and 2,208.52 is: 3,047.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.92 : 5,488.14 = 2,208.52 : x
  2. Step 2: Convert to fraction form
    3,976.92/5,488.14 = 2,208.52/x
  3. Step 3: Cross multiply
    3,976.92x = 5,488.14 × 2,208.52
  4. Step 4: Simplify right side
    3,976.92x = 12,120,666.95
  5. Step 5: Solve for x
    x = 12,120,666.95/3,976.92
  6. Step 6: Final answer
    x = 3,047.75

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