Home / 3,725.28-5,578.56-2,161.44

Finding the Fourth Proportional to 3,725.28, 5,578.56 and 2,161.44

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Solution

The fourth proportional to 3,725.28, 5,578.56 and 2,161.44 is: 3,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.28 : 5,578.56 = 2,161.44 : x
  2. Step 2: Convert to fraction form
    3,725.28/5,578.56 = 2,161.44/x
  3. Step 3: Cross multiply
    3,725.28x = 5,578.56 × 2,161.44
  4. Step 4: Simplify right side
    3,725.28x = 12,057,722.73
  5. Step 5: Solve for x
    x = 12,057,722.73/3,725.28
  6. Step 6: Final answer
    x = 3,236.73

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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.