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Finding the Fourth Proportional to 3,692.32, 5,531.19 and 2,768.92

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Solution

The fourth proportional to 3,692.32, 5,531.19 and 2,768.92 is: 4,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.32 : 5,531.19 = 2,768.92 : x
  2. Step 2: Convert to fraction form
    3,692.32/5,531.19 = 2,768.92/x
  3. Step 3: Cross multiply
    3,692.32x = 5,531.19 × 2,768.92
  4. Step 4: Simplify right side
    3,692.32x = 15,315,398.40
  5. Step 5: Solve for x
    x = 15,315,398.40/3,692.32
  6. Step 6: Final answer
    x = 4,147.91

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