Home / 3,183.38-4,393.84-2,122.82

Finding the Fourth Proportional to 3,183.38, 4,393.84 and 2,122.82

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Solution

The fourth proportional to 3,183.38, 4,393.84 and 2,122.82 is: 2,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.38 : 4,393.84 = 2,122.82 : x
  2. Step 2: Convert to fraction form
    3,183.38/4,393.84 = 2,122.82/x
  3. Step 3: Cross multiply
    3,183.38x = 4,393.84 × 2,122.82
  4. Step 4: Simplify right side
    3,183.38x = 9,327,331.43
  5. Step 5: Solve for x
    x = 9,327,331.43/3,183.38
  6. Step 6: Final answer
    x = 2,930.01

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.