Home / 3,722.80-5,584.33-1,872.91

Finding the Fourth Proportional to 3,722.80, 5,584.33 and 1,872.91

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Solution

The fourth proportional to 3,722.80, 5,584.33 and 1,872.91 is: 2,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.80 : 5,584.33 = 1,872.91 : x
  2. Step 2: Convert to fraction form
    3,722.80/5,584.33 = 1,872.91/x
  3. Step 3: Cross multiply
    3,722.80x = 5,584.33 × 1,872.91
  4. Step 4: Simplify right side
    3,722.80x = 10,458,939.39
  5. Step 5: Solve for x
    x = 10,458,939.39/3,722.80
  6. Step 6: Final answer
    x = 2,809.43

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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.