Home / 3,238.60-4,469.22-1,822.18

Finding the Fourth Proportional to 3,238.60, 4,469.22 and 1,822.18

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Solution

The fourth proportional to 3,238.60, 4,469.22 and 1,822.18 is: 2,514.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.60 : 4,469.22 = 1,822.18 : x
  2. Step 2: Convert to fraction form
    3,238.60/4,469.22 = 1,822.18/x
  3. Step 3: Cross multiply
    3,238.60x = 4,469.22 × 1,822.18
  4. Step 4: Simplify right side
    3,238.60x = 8,143,723.30
  5. Step 5: Solve for x
    x = 8,143,723.30/3,238.60
  6. Step 6: Final answer
    x = 2,514.58

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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.