Home / 3,851.17-5,314.59-2,082.76

Finding the Fourth Proportional to 3,851.17, 5,314.59 and 2,082.76

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Solution

The fourth proportional to 3,851.17, 5,314.59 and 2,082.76 is: 2,874.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.17 : 5,314.59 = 2,082.76 : x
  2. Step 2: Convert to fraction form
    3,851.17/5,314.59 = 2,082.76/x
  3. Step 3: Cross multiply
    3,851.17x = 5,314.59 × 2,082.76
  4. Step 4: Simplify right side
    3,851.17x = 11,069,015.47
  5. Step 5: Solve for x
    x = 11,069,015.47/3,851.17
  6. Step 6: Final answer
    x = 2,874.20

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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.