Home / 3,722.24-5,581.16-2,180

Finding the Fourth Proportional to 3,722.24, 5,581.16 and 2,180

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Solution

The fourth proportional to 3,722.24, 5,581.16 and 2,180 is: 3,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.24 : 5,581.16 = 2,180 : x
  2. Step 2: Convert to fraction form
    3,722.24/5,581.16 = 2,180/x
  3. Step 3: Cross multiply
    3,722.24x = 5,581.16 × 2,180
  4. Step 4: Simplify right side
    3,722.24x = 12,166,928.80
  5. Step 5: Solve for x
    x = 12,166,928.80/3,722.24
  6. Step 6: Final answer
    x = 3,268.71

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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.