Home / 3,648.52-5,472.78-2,662.12

Finding the Fourth Proportional to 3,648.52, 5,472.78 and 2,662.12

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Solution

The fourth proportional to 3,648.52, 5,472.78 and 2,662.12 is: 3,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.52 : 5,472.78 = 2,662.12 : x
  2. Step 2: Convert to fraction form
    3,648.52/5,472.78 = 2,662.12/x
  3. Step 3: Cross multiply
    3,648.52x = 5,472.78 × 2,662.12
  4. Step 4: Simplify right side
    3,648.52x = 14,569,197.09
  5. Step 5: Solve for x
    x = 14,569,197.09/3,648.52
  6. Step 6: Final answer
    x = 3,993.18

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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.