Home / 3,082.38-4,252.68-1,886.82

Finding the Fourth Proportional to 3,082.38, 4,252.68 and 1,886.82

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Solution

The fourth proportional to 3,082.38, 4,252.68 and 1,886.82 is: 2,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.38 : 4,252.68 = 1,886.82 : x
  2. Step 2: Convert to fraction form
    3,082.38/4,252.68 = 1,886.82/x
  3. Step 3: Cross multiply
    3,082.38x = 4,252.68 × 1,886.82
  4. Step 4: Simplify right side
    3,082.38x = 8,024,041.68
  5. Step 5: Solve for x
    x = 8,024,041.68/3,082.38
  6. Step 6: Final answer
    x = 2,603.20

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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.