Home / 3,679.52-5,521.26-2,859.44

Finding the Fourth Proportional to 3,679.52, 5,521.26 and 2,859.44

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Solution

The fourth proportional to 3,679.52, 5,521.26 and 2,859.44 is: 4,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.52 : 5,521.26 = 2,859.44 : x
  2. Step 2: Convert to fraction form
    3,679.52/5,521.26 = 2,859.44/x
  3. Step 3: Cross multiply
    3,679.52x = 5,521.26 × 2,859.44
  4. Step 4: Simplify right side
    3,679.52x = 15,787,711.69
  5. Step 5: Solve for x
    x = 15,787,711.69/3,679.52
  6. Step 6: Final answer
    x = 4,290.70

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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.