Home / 2,722.06-4,074.42-2,168.02

Finding the Fourth Proportional to 2,722.06, 4,074.42 and 2,168.02

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Solution

The fourth proportional to 2,722.06, 4,074.42 and 2,168.02 is: 3,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.06 : 4,074.42 = 2,168.02 : x
  2. Step 2: Convert to fraction form
    2,722.06/4,074.42 = 2,168.02/x
  3. Step 3: Cross multiply
    2,722.06x = 4,074.42 × 2,168.02
  4. Step 4: Simplify right side
    2,722.06x = 8,833,424.05
  5. Step 5: Solve for x
    x = 8,833,424.05/2,722.06
  6. Step 6: Final answer
    x = 3,245.12

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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.