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Finding the Fourth Proportional to 2,144.97, 3,217.48 and 758.00

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Solution

The fourth proportional to 2,144.97, 3,217.48 and 758.00 is: 1,137.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.97 : 3,217.48 = 758.00 : x
  2. Step 2: Convert to fraction form
    2,144.97/3,217.48 = 758.00/x
  3. Step 3: Cross multiply
    2,144.97x = 3,217.48 × 758.00
  4. Step 4: Simplify right side
    2,144.97x = 2,438,855.99
  5. Step 5: Solve for x
    x = 2,438,855.99/2,144.97
  6. Step 6: Final answer
    x = 1,137.01

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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.