Home / 3,222.90-4,834.41-2,581.38

Finding the Fourth Proportional to 3,222.90, 4,834.41 and 2,581.38

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Solution

The fourth proportional to 3,222.90, 4,834.41 and 2,581.38 is: 3,872.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.90 : 4,834.41 = 2,581.38 : x
  2. Step 2: Convert to fraction form
    3,222.90/4,834.41 = 2,581.38/x
  3. Step 3: Cross multiply
    3,222.90x = 4,834.41 × 2,581.38
  4. Step 4: Simplify right side
    3,222.90x = 12,479,449.29
  5. Step 5: Solve for x
    x = 12,479,449.29/3,222.90
  6. Step 6: Final answer
    x = 3,872.12

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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.