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Finding the Fourth Proportional to 2,610.63, 3,591.84 and 2,279.85

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Solution

The fourth proportional to 2,610.63, 3,591.84 and 2,279.85 is: 3,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.63 : 3,591.84 = 2,279.85 : x
  2. Step 2: Convert to fraction form
    2,610.63/3,591.84 = 2,279.85/x
  3. Step 3: Cross multiply
    2,610.63x = 3,591.84 × 2,279.85
  4. Step 4: Simplify right side
    2,610.63x = 8,188,851.50
  5. Step 5: Solve for x
    x = 8,188,851.50/2,610.63
  6. Step 6: Final answer
    x = 3,136.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.