Home / 3,082.76-4,248.02-2,616.20

Finding the Fourth Proportional to 3,082.76, 4,248.02 and 2,616.20

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Solution

The fourth proportional to 3,082.76, 4,248.02 and 2,616.20 is: 3,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.76 : 4,248.02 = 2,616.20 : x
  2. Step 2: Convert to fraction form
    3,082.76/4,248.02 = 2,616.20/x
  3. Step 3: Cross multiply
    3,082.76x = 4,248.02 × 2,616.20
  4. Step 4: Simplify right side
    3,082.76x = 11,113,669.92
  5. Step 5: Solve for x
    x = 11,113,669.92/3,082.76
  6. Step 6: Final answer
    x = 3,605.10

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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.