Home / 3,979.24-5,968.97-1,899.46

Finding the Fourth Proportional to 3,979.24, 5,968.97 and 1,899.46

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Solution

The fourth proportional to 3,979.24, 5,968.97 and 1,899.46 is: 2,849.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.24 : 5,968.97 = 1,899.46 : x
  2. Step 2: Convert to fraction form
    3,979.24/5,968.97 = 1,899.46/x
  3. Step 3: Cross multiply
    3,979.24x = 5,968.97 × 1,899.46
  4. Step 4: Simplify right side
    3,979.24x = 11,337,819.76
  5. Step 5: Solve for x
    x = 11,337,819.76/3,979.24
  6. Step 6: Final answer
    x = 2,849.24

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Half scale
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Double scale
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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.