Home / 2,144.12-3,217.17-758.50

Finding the Fourth Proportional to 2,144.12, 3,217.17 and 758.50

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Solution

The fourth proportional to 2,144.12, 3,217.17 and 758.50 is: 1,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.12 : 3,217.17 = 758.50 : x
  2. Step 2: Convert to fraction form
    2,144.12/3,217.17 = 758.50/x
  3. Step 3: Cross multiply
    2,144.12x = 3,217.17 × 758.50
  4. Step 4: Simplify right side
    2,144.12x = 2,440,218.25
  5. Step 5: Solve for x
    x = 2,440,218.25/2,144.12
  6. Step 6: Final answer
    x = 1,138.10

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1.5x scale

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.