Home / 3,789.44-5,229.42-2,110.75

Finding the Fourth Proportional to 3,789.44, 5,229.42 and 2,110.75

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Solution

The fourth proportional to 3,789.44, 5,229.42 and 2,110.75 is: 2,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.44 : 5,229.42 = 2,110.75 : x
  2. Step 2: Convert to fraction form
    3,789.44/5,229.42 = 2,110.75/x
  3. Step 3: Cross multiply
    3,789.44x = 5,229.42 × 2,110.75
  4. Step 4: Simplify right side
    3,789.44x = 11,037,992.99
  5. Step 5: Solve for x
    x = 11,037,992.99/3,789.44
  6. Step 6: Final answer
    x = 2,912.83

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Half scale
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Double scale
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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.