Home / 3,082.38-4,257.23-2,246.82

Finding the Fourth Proportional to 3,082.38, 4,257.23 and 2,246.82

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Solution

The fourth proportional to 3,082.38, 4,257.23 and 2,246.82 is: 3,103.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.38 : 4,257.23 = 2,246.82 : x
  2. Step 2: Convert to fraction form
    3,082.38/4,257.23 = 2,246.82/x
  3. Step 3: Cross multiply
    3,082.38x = 4,257.23 × 2,246.82
  4. Step 4: Simplify right side
    3,082.38x = 9,565,218.27
  5. Step 5: Solve for x
    x = 9,565,218.27/3,082.38
  6. Step 6: Final answer
    x = 3,103.19

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Half scale
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Double scale
Find fourth proportional to 3,083.38, 4,258.61 and 2,247.82
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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.