Home / 3,519.62-5,281.41-2,424.86

Finding the Fourth Proportional to 3,519.62, 5,281.41 and 2,424.86

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Solution

The fourth proportional to 3,519.62, 5,281.41 and 2,424.86 is: 3,638.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.62 : 5,281.41 = 2,424.86 : x
  2. Step 2: Convert to fraction form
    3,519.62/5,281.41 = 2,424.86/x
  3. Step 3: Cross multiply
    3,519.62x = 5,281.41 × 2,424.86
  4. Step 4: Simplify right side
    3,519.62x = 12,806,679.85
  5. Step 5: Solve for x
    x = 12,806,679.85/3,519.62
  6. Step 6: Final answer
    x = 3,638.65

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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.