Home / 3,851.14-5,314.56-2,082.74

Finding the Fourth Proportional to 3,851.14, 5,314.56 and 2,082.74

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Solution

The fourth proportional to 3,851.14, 5,314.56 and 2,082.74 is: 2,874.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.14 : 5,314.56 = 2,082.74 : x
  2. Step 2: Convert to fraction form
    3,851.14/5,314.56 = 2,082.74/x
  3. Step 3: Cross multiply
    3,851.14x = 5,314.56 × 2,082.74
  4. Step 4: Simplify right side
    3,851.14x = 11,068,846.69
  5. Step 5: Solve for x
    x = 11,068,846.69/3,851.14
  6. Step 6: Final answer
    x = 2,874.17

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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.