Home / 3,911.92-5,399.58-2,234.24

Finding the Fourth Proportional to 3,911.92, 5,399.58 and 2,234.24

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Solution

The fourth proportional to 3,911.92, 5,399.58 and 2,234.24 is: 3,083.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.92 : 5,399.58 = 2,234.24 : x
  2. Step 2: Convert to fraction form
    3,911.92/5,399.58 = 2,234.24/x
  3. Step 3: Cross multiply
    3,911.92x = 5,399.58 × 2,234.24
  4. Step 4: Simplify right side
    3,911.92x = 12,063,957.62
  5. Step 5: Solve for x
    x = 12,063,957.62/3,911.92
  6. Step 6: Final answer
    x = 3,083.90

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1.5x scale

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.