Home / 3,519.09-5,279.52-1,053.90

Finding the Fourth Proportional to 3,519.09, 5,279.52 and 1,053.90

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Solution

The fourth proportional to 3,519.09, 5,279.52 and 1,053.90 is: 1,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.09 : 5,279.52 = 1,053.90 : x
  2. Step 2: Convert to fraction form
    3,519.09/5,279.52 = 1,053.90/x
  3. Step 3: Cross multiply
    3,519.09x = 5,279.52 × 1,053.90
  4. Step 4: Simplify right side
    3,519.09x = 5,564,086.13
  5. Step 5: Solve for x
    x = 5,564,086.13/3,519.09
  6. Step 6: Final answer
    x = 1,581.12

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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.