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Finding the Fourth Proportional to 1,839.40, 2,757.04 and 800.27

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Solution

The fourth proportional to 1,839.40, 2,757.04 and 800.27 is: 1,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.40 : 2,757.04 = 800.27 : x
  2. Step 2: Convert to fraction form
    1,839.40/2,757.04 = 800.27/x
  3. Step 3: Cross multiply
    1,839.40x = 2,757.04 × 800.27
  4. Step 4: Simplify right side
    1,839.40x = 2,206,376.40
  5. Step 5: Solve for x
    x = 2,206,376.40/1,839.40
  6. Step 6: Final answer
    x = 1,199.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.