Home / 3,278.80-4,524.42-1,934.38

Finding the Fourth Proportional to 3,278.80, 4,524.42 and 1,934.38

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Solution

The fourth proportional to 3,278.80, 4,524.42 and 1,934.38 is: 2,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.80 : 4,524.42 = 1,934.38 : x
  2. Step 2: Convert to fraction form
    3,278.80/4,524.42 = 1,934.38/x
  3. Step 3: Cross multiply
    3,278.80x = 4,524.42 × 1,934.38
  4. Step 4: Simplify right side
    3,278.80x = 8,751,947.56
  5. Step 5: Solve for x
    x = 8,751,947.56/3,278.80
  6. Step 6: Final answer
    x = 2,669.25

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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.