Home / 3,955.39-5,452.15-3,114.76

Finding the Fourth Proportional to 3,955.39, 5,452.15 and 3,114.76

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Solution

The fourth proportional to 3,955.39, 5,452.15 and 3,114.76 is: 4,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.39 : 5,452.15 = 3,114.76 : x
  2. Step 2: Convert to fraction form
    3,955.39/5,452.15 = 3,114.76/x
  3. Step 3: Cross multiply
    3,955.39x = 5,452.15 × 3,114.76
  4. Step 4: Simplify right side
    3,955.39x = 16,982,138.73
  5. Step 5: Solve for x
    x = 16,982,138.73/3,955.39
  6. Step 6: Final answer
    x = 4,293.42

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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.