Home / 3,449.22-4,758.38-2,122.44

Finding the Fourth Proportional to 3,449.22, 4,758.38 and 2,122.44

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Solution

The fourth proportional to 3,449.22, 4,758.38 and 2,122.44 is: 2,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.22 : 4,758.38 = 2,122.44 : x
  2. Step 2: Convert to fraction form
    3,449.22/4,758.38 = 2,122.44/x
  3. Step 3: Cross multiply
    3,449.22x = 4,758.38 × 2,122.44
  4. Step 4: Simplify right side
    3,449.22x = 10,099,376.05
  5. Step 5: Solve for x
    x = 10,099,376.05/3,449.22
  6. Step 6: Final answer
    x = 2,928.02

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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.