Home / 3,979.13-5,968.69-2,247.89

Finding the Fourth Proportional to 3,979.13, 5,968.69 and 2,247.89

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Solution

The fourth proportional to 3,979.13, 5,968.69 and 2,247.89 is: 3,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.13 : 5,968.69 = 2,247.89 : x
  2. Step 2: Convert to fraction form
    3,979.13/5,968.69 = 2,247.89/x
  3. Step 3: Cross multiply
    3,979.13x = 5,968.69 × 2,247.89
  4. Step 4: Simplify right side
    3,979.13x = 13,416,923.10
  5. Step 5: Solve for x
    x = 13,416,923.10/3,979.13
  6. Step 6: Final answer
    x = 3,371.83

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Similar ratio
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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.