Home / 3,610.68-5,416.21-1,013.82

Finding the Fourth Proportional to 3,610.68, 5,416.21 and 1,013.82

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Solution

The fourth proportional to 3,610.68, 5,416.21 and 1,013.82 is: 1,520.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.68 : 5,416.21 = 1,013.82 : x
  2. Step 2: Convert to fraction form
    3,610.68/5,416.21 = 1,013.82/x
  3. Step 3: Cross multiply
    3,610.68x = 5,416.21 × 1,013.82
  4. Step 4: Simplify right side
    3,610.68x = 5,491,047.85
  5. Step 5: Solve for x
    x = 5,491,047.85/3,610.68
  6. Step 6: Final answer
    x = 1,520.78

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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.