Home / 3,882.29-5,821.68-1,108.30

Finding the Fourth Proportional to 3,882.29, 5,821.68 and 1,108.30

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Solution

The fourth proportional to 3,882.29, 5,821.68 and 1,108.30 is: 1,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.29 : 5,821.68 = 1,108.30 : x
  2. Step 2: Convert to fraction form
    3,882.29/5,821.68 = 1,108.30/x
  3. Step 3: Cross multiply
    3,882.29x = 5,821.68 × 1,108.30
  4. Step 4: Simplify right side
    3,882.29x = 6,452,153.39
  5. Step 5: Solve for x
    x = 6,452,153.39/3,882.29
  6. Step 6: Final answer
    x = 1,661.95

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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.