Home / 3,278.97-4,522.65-3,170.49

Finding the Fourth Proportional to 3,278.97, 4,522.65 and 3,170.49

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Solution

The fourth proportional to 3,278.97, 4,522.65 and 3,170.49 is: 4,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.97 : 4,522.65 = 3,170.49 : x
  2. Step 2: Convert to fraction form
    3,278.97/4,522.65 = 3,170.49/x
  3. Step 3: Cross multiply
    3,278.97x = 4,522.65 × 3,170.49
  4. Step 4: Simplify right side
    3,278.97x = 14,339,016.60
  5. Step 5: Solve for x
    x = 14,339,016.60/3,278.97
  6. Step 6: Final answer
    x = 4,373.02

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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.