Home / 3,872.42-5,344.62-2,193.92

Finding the Fourth Proportional to 3,872.42, 5,344.62 and 2,193.92

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Solution

The fourth proportional to 3,872.42, 5,344.62 and 2,193.92 is: 3,028.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.42 : 5,344.62 = 2,193.92 : x
  2. Step 2: Convert to fraction form
    3,872.42/5,344.62 = 2,193.92/x
  3. Step 3: Cross multiply
    3,872.42x = 5,344.62 × 2,193.92
  4. Step 4: Simplify right side
    3,872.42x = 11,725,668.71
  5. Step 5: Solve for x
    x = 11,725,668.71/3,872.42
  6. Step 6: Final answer
    x = 3,028.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.