Home / 3,278.38-4,524.49-2,020.17

Finding the Fourth Proportional to 3,278.38, 4,524.49 and 2,020.17

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Solution

The fourth proportional to 3,278.38, 4,524.49 and 2,020.17 is: 2,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.38 : 4,524.49 = 2,020.17 : x
  2. Step 2: Convert to fraction form
    3,278.38/4,524.49 = 2,020.17/x
  3. Step 3: Cross multiply
    3,278.38x = 4,524.49 × 2,020.17
  4. Step 4: Simplify right side
    3,278.38x = 9,140,228.86
  5. Step 5: Solve for x
    x = 9,140,228.86/3,278.38
  6. Step 6: Final answer
    x = 2,788.03

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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.