Home / 3,851.17-5,314.61-2,082.77

Finding the Fourth Proportional to 3,851.17, 5,314.61 and 2,082.77

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Solution

The fourth proportional to 3,851.17, 5,314.61 and 2,082.77 is: 2,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.17 : 5,314.61 = 2,082.77 : x
  2. Step 2: Convert to fraction form
    3,851.17/5,314.61 = 2,082.77/x
  3. Step 3: Cross multiply
    3,851.17x = 5,314.61 × 2,082.77
  4. Step 4: Simplify right side
    3,851.17x = 11,069,128.76
  5. Step 5: Solve for x
    x = 11,069,128.76/3,851.17
  6. Step 6: Final answer
    x = 2,874.23

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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.