Home / 3,851.27-5,314.73-2,082.87

Finding the Fourth Proportional to 3,851.27, 5,314.73 and 2,082.87

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Solution

The fourth proportional to 3,851.27, 5,314.73 and 2,082.87 is: 2,874.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.27 : 5,314.73 = 2,082.87 : x
  2. Step 2: Convert to fraction form
    3,851.27/5,314.73 = 2,082.87/x
  3. Step 3: Cross multiply
    3,851.27x = 5,314.73 × 2,082.87
  4. Step 4: Simplify right side
    3,851.27x = 11,069,881.26
  5. Step 5: Solve for x
    x = 11,069,881.26/3,851.27
  6. Step 6: Final answer
    x = 2,874.35

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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.