Home / 3,515.92-5,267.82-2,281.90

Finding the Fourth Proportional to 3,515.92, 5,267.82 and 2,281.90

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Solution

The fourth proportional to 3,515.92, 5,267.82 and 2,281.90 is: 3,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.92 : 5,267.82 = 2,281.90 : x
  2. Step 2: Convert to fraction form
    3,515.92/5,267.82 = 2,281.90/x
  3. Step 3: Cross multiply
    3,515.92x = 5,267.82 × 2,281.90
  4. Step 4: Simplify right side
    3,515.92x = 12,020,638.46
  5. Step 5: Solve for x
    x = 12,020,638.46/3,515.92
  6. Step 6: Final answer
    x = 3,418.92

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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.