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Finding the Fourth Proportional to 2,692.08, 3,711.60 and 1,945.44

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Solution

The fourth proportional to 2,692.08, 3,711.60 and 1,945.44 is: 2,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.08 : 3,711.60 = 1,945.44 : x
  2. Step 2: Convert to fraction form
    2,692.08/3,711.60 = 1,945.44/x
  3. Step 3: Cross multiply
    2,692.08x = 3,711.60 × 1,945.44
  4. Step 4: Simplify right side
    2,692.08x = 7,220,695.10
  5. Step 5: Solve for x
    x = 7,220,695.10/2,692.08
  6. Step 6: Final answer
    x = 2,682.20

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