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Finding the Fourth Proportional to 1,351.98, 2,027.03 and 735.98

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Solution

The fourth proportional to 1,351.98, 2,027.03 and 735.98 is: 1,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.98 : 2,027.03 = 735.98 : x
  2. Step 2: Convert to fraction form
    1,351.98/2,027.03 = 735.98/x
  3. Step 3: Cross multiply
    1,351.98x = 2,027.03 × 735.98
  4. Step 4: Simplify right side
    1,351.98x = 1,491,839.72
  5. Step 5: Solve for x
    x = 1,491,839.72/1,351.98
  6. Step 6: Final answer
    x = 1,103.45

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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.