Home / 3,722.92-5,574.52-2,161.51

Finding the Fourth Proportional to 3,722.92, 5,574.52 and 2,161.51

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Solution

The fourth proportional to 3,722.92, 5,574.52 and 2,161.51 is: 3,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.92 : 5,574.52 = 2,161.51 : x
  2. Step 2: Convert to fraction form
    3,722.92/5,574.52 = 2,161.51/x
  3. Step 3: Cross multiply
    3,722.92x = 5,574.52 × 2,161.51
  4. Step 4: Simplify right side
    3,722.92x = 12,049,380.73
  5. Step 5: Solve for x
    x = 12,049,380.73/3,722.92
  6. Step 6: Final answer
    x = 3,236.54

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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.