Home / 2,218.24-3,327.36-2,081.92

Finding the Fourth Proportional to 2,218.24, 3,327.36 and 2,081.92

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Solution

The fourth proportional to 2,218.24, 3,327.36 and 2,081.92 is: 3,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.24 : 3,327.36 = 2,081.92 : x
  2. Step 2: Convert to fraction form
    2,218.24/3,327.36 = 2,081.92/x
  3. Step 3: Cross multiply
    2,218.24x = 3,327.36 × 2,081.92
  4. Step 4: Simplify right side
    2,218.24x = 6,927,297.33
  5. Step 5: Solve for x
    x = 6,927,297.33/2,218.24
  6. Step 6: Final answer
    x = 3,122.88

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1.5x scale

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.