Home / 3,722.08-5,136.24-2,230.12

Finding the Fourth Proportional to 3,722.08, 5,136.24 and 2,230.12

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Solution

The fourth proportional to 3,722.08, 5,136.24 and 2,230.12 is: 3,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.08 : 5,136.24 = 2,230.12 : x
  2. Step 2: Convert to fraction form
    3,722.08/5,136.24 = 2,230.12/x
  3. Step 3: Cross multiply
    3,722.08x = 5,136.24 × 2,230.12
  4. Step 4: Simplify right side
    3,722.08x = 11,454,431.55
  5. Step 5: Solve for x
    x = 11,454,431.55/3,722.08
  6. Step 6: Final answer
    x = 3,077.43

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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.