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Finding the Fourth Proportional to 3,252.78, 4,489.68 and 1,926.88

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Solution

The fourth proportional to 3,252.78, 4,489.68 and 1,926.88 is: 2,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.78 : 4,489.68 = 1,926.88 : x
  2. Step 2: Convert to fraction form
    3,252.78/4,489.68 = 1,926.88/x
  3. Step 3: Cross multiply
    3,252.78x = 4,489.68 × 1,926.88
  4. Step 4: Simplify right side
    3,252.78x = 8,651,074.60
  5. Step 5: Solve for x
    x = 8,651,074.60/3,252.78
  6. Step 6: Final answer
    x = 2,659.59

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