Home / 3,581.25-5,372.49-1,115.98

Finding the Fourth Proportional to 3,581.25, 5,372.49 and 1,115.98

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Solution

The fourth proportional to 3,581.25, 5,372.49 and 1,115.98 is: 1,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.25 : 5,372.49 = 1,115.98 : x
  2. Step 2: Convert to fraction form
    3,581.25/5,372.49 = 1,115.98/x
  3. Step 3: Cross multiply
    3,581.25x = 5,372.49 × 1,115.98
  4. Step 4: Simplify right side
    3,581.25x = 5,995,582.14
  5. Step 5: Solve for x
    x = 5,995,582.14/3,581.25
  6. Step 6: Final answer
    x = 1,674.16

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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.