Home / 3,851.07-5,314.52-2,082.71

Finding the Fourth Proportional to 3,851.07, 5,314.52 and 2,082.71

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Solution

The fourth proportional to 3,851.07, 5,314.52 and 2,082.71 is: 2,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.07 : 5,314.52 = 2,082.71 : x
  2. Step 2: Convert to fraction form
    3,851.07/5,314.52 = 2,082.71/x
  3. Step 3: Cross multiply
    3,851.07x = 5,314.52 × 2,082.71
  4. Step 4: Simplify right side
    3,851.07x = 11,068,603.95
  5. Step 5: Solve for x
    x = 11,068,603.95/3,851.07
  6. Step 6: Final answer
    x = 2,874.16

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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.