Home / 3,789.37-5,229.20-2,110.69

Finding the Fourth Proportional to 3,789.37, 5,229.20 and 2,110.69

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Solution

The fourth proportional to 3,789.37, 5,229.20 and 2,110.69 is: 2,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.37 : 5,229.20 = 2,110.69 : x
  2. Step 2: Convert to fraction form
    3,789.37/5,229.20 = 2,110.69/x
  3. Step 3: Cross multiply
    3,789.37x = 5,229.20 × 2,110.69
  4. Step 4: Simplify right side
    3,789.37x = 11,037,220.09
  5. Step 5: Solve for x
    x = 11,037,220.09/3,789.37
  6. Step 6: Final answer
    x = 2,912.68

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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.