Home / 3,960.25-5,939.17-2,085.12

Finding the Fourth Proportional to 3,960.25, 5,939.17 and 2,085.12

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Solution

The fourth proportional to 3,960.25, 5,939.17 and 2,085.12 is: 3,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.25 : 5,939.17 = 2,085.12 : x
  2. Step 2: Convert to fraction form
    3,960.25/5,939.17 = 2,085.12/x
  3. Step 3: Cross multiply
    3,960.25x = 5,939.17 × 2,085.12
  4. Step 4: Simplify right side
    3,960.25x = 12,383,869.91
  5. Step 5: Solve for x
    x = 12,383,869.91/3,960.25
  6. Step 6: Final answer
    x = 3,127.04

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1.5x scale

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.