Home / 3,722.46-5,587.79-2,947.44

Finding the Fourth Proportional to 3,722.46, 5,587.79 and 2,947.44

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Solution

The fourth proportional to 3,722.46, 5,587.79 and 2,947.44 is: 4,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.46 : 5,587.79 = 2,947.44 : x
  2. Step 2: Convert to fraction form
    3,722.46/5,587.79 = 2,947.44/x
  3. Step 3: Cross multiply
    3,722.46x = 5,587.79 × 2,947.44
  4. Step 4: Simplify right side
    3,722.46x = 16,469,650.54
  5. Step 5: Solve for x
    x = 16,469,650.54/3,722.46
  6. Step 6: Final answer
    x = 4,424.40

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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.