Home / 2,769.96-4,156.38-1,127.72

Finding the Fourth Proportional to 2,769.96, 4,156.38 and 1,127.72

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Solution

The fourth proportional to 2,769.96, 4,156.38 and 1,127.72 is: 1,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.96 : 4,156.38 = 1,127.72 : x
  2. Step 2: Convert to fraction form
    2,769.96/4,156.38 = 1,127.72/x
  3. Step 3: Cross multiply
    2,769.96x = 4,156.38 × 1,127.72
  4. Step 4: Simplify right side
    2,769.96x = 4,687,232.85
  5. Step 5: Solve for x
    x = 4,687,232.85/2,769.96
  6. Step 6: Final answer
    x = 1,692.17

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