Home / 3,851.08-5,314.48-2,082.71

Finding the Fourth Proportional to 3,851.08, 5,314.48 and 2,082.71

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Solution

The fourth proportional to 3,851.08, 5,314.48 and 2,082.71 is: 2,874.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.08 : 5,314.48 = 2,082.71 : x
  2. Step 2: Convert to fraction form
    3,851.08/5,314.48 = 2,082.71/x
  3. Step 3: Cross multiply
    3,851.08x = 5,314.48 × 2,082.71
  4. Step 4: Simplify right side
    3,851.08x = 11,068,528.72
  5. Step 5: Solve for x
    x = 11,068,528.72/3,851.08
  6. Step 6: Final answer
    x = 2,874.14

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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.