Home / 3,922.16-5,872.68-2,069.44

Finding the Fourth Proportional to 3,922.16, 5,872.68 and 2,069.44

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Solution

The fourth proportional to 3,922.16, 5,872.68 and 2,069.44 is: 3,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.16 : 5,872.68 = 2,069.44 : x
  2. Step 2: Convert to fraction form
    3,922.16/5,872.68 = 2,069.44/x
  3. Step 3: Cross multiply
    3,922.16x = 5,872.68 × 2,069.44
  4. Step 4: Simplify right side
    3,922.16x = 12,153,158.90
  5. Step 5: Solve for x
    x = 12,153,158.90/3,922.16
  6. Step 6: Final answer
    x = 3,098.59

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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.