Home / 3,722.44-5,582.76-1,531.78

Finding the Fourth Proportional to 3,722.44, 5,582.76 and 1,531.78

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Solution

The fourth proportional to 3,722.44, 5,582.76 and 1,531.78 is: 2,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.44 : 5,582.76 = 1,531.78 : x
  2. Step 2: Convert to fraction form
    3,722.44/5,582.76 = 1,531.78/x
  3. Step 3: Cross multiply
    3,722.44x = 5,582.76 × 1,531.78
  4. Step 4: Simplify right side
    3,722.44x = 8,551,560.11
  5. Step 5: Solve for x
    x = 8,551,560.11/3,722.44
  6. Step 6: Final answer
    x = 2,297.30

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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.