Home / 3,581.04-5,371.47-1,115.85

Finding the Fourth Proportional to 3,581.04, 5,371.47 and 1,115.85

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Solution

The fourth proportional to 3,581.04, 5,371.47 and 1,115.85 is: 1,673.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.04 : 5,371.47 = 1,115.85 : x
  2. Step 2: Convert to fraction form
    3,581.04/5,371.47 = 1,115.85/x
  3. Step 3: Cross multiply
    3,581.04x = 5,371.47 × 1,115.85
  4. Step 4: Simplify right side
    3,581.04x = 5,993,754.80
  5. Step 5: Solve for x
    x = 5,993,754.80/3,581.04
  6. Step 6: Final answer
    x = 1,673.75

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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.