Home / 3,722.85-5,579.67-2,080.55

Finding the Fourth Proportional to 3,722.85, 5,579.67 and 2,080.55

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Solution

The fourth proportional to 3,722.85, 5,579.67 and 2,080.55 is: 3,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.85 : 5,579.67 = 2,080.55 : x
  2. Step 2: Convert to fraction form
    3,722.85/5,579.67 = 2,080.55/x
  3. Step 3: Cross multiply
    3,722.85x = 5,579.67 × 2,080.55
  4. Step 4: Simplify right side
    3,722.85x = 11,608,806.43
  5. Step 5: Solve for x
    x = 11,608,806.43/3,722.85
  6. Step 6: Final answer
    x = 3,118.25

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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.