Home / 3,249.72-4,869.46-1,949.56

Finding the Fourth Proportional to 3,249.72, 4,869.46 and 1,949.56

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Solution

The fourth proportional to 3,249.72, 4,869.46 and 1,949.56 is: 2,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.72 : 4,869.46 = 1,949.56 : x
  2. Step 2: Convert to fraction form
    3,249.72/4,869.46 = 1,949.56/x
  3. Step 3: Cross multiply
    3,249.72x = 4,869.46 × 1,949.56
  4. Step 4: Simplify right side
    3,249.72x = 9,493,304.44
  5. Step 5: Solve for x
    x = 9,493,304.44/3,249.72
  6. Step 6: Final answer
    x = 2,921.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.