Home / 3,828.35-5,286.50-2,414.57

Finding the Fourth Proportional to 3,828.35, 5,286.50 and 2,414.57

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Solution

The fourth proportional to 3,828.35, 5,286.50 and 2,414.57 is: 3,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.35 : 5,286.50 = 2,414.57 : x
  2. Step 2: Convert to fraction form
    3,828.35/5,286.50 = 2,414.57/x
  3. Step 3: Cross multiply
    3,828.35x = 5,286.50 × 2,414.57
  4. Step 4: Simplify right side
    3,828.35x = 12,764,585.80
  5. Step 5: Solve for x
    x = 12,764,585.80/3,828.35
  6. Step 6: Final answer
    x = 3,334.23

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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.