Home / 3,722.22-5,136.50-2,230.97

Finding the Fourth Proportional to 3,722.22, 5,136.50 and 2,230.97

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Solution

The fourth proportional to 3,722.22, 5,136.50 and 2,230.97 is: 3,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.22 : 5,136.50 = 2,230.97 : x
  2. Step 2: Convert to fraction form
    3,722.22/5,136.50 = 2,230.97/x
  3. Step 3: Cross multiply
    3,722.22x = 5,136.50 × 2,230.97
  4. Step 4: Simplify right side
    3,722.22x = 11,459,340.57
  5. Step 5: Solve for x
    x = 11,459,340.57/3,722.22
  6. Step 6: Final answer
    x = 3,078.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.