Home / 3,226.89-4,842.09-2,131.77

Finding the Fourth Proportional to 3,226.89, 4,842.09 and 2,131.77

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Solution

The fourth proportional to 3,226.89, 4,842.09 and 2,131.77 is: 3,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.89 : 4,842.09 = 2,131.77 : x
  2. Step 2: Convert to fraction form
    3,226.89/4,842.09 = 2,131.77/x
  3. Step 3: Cross multiply
    3,226.89x = 4,842.09 × 2,131.77
  4. Step 4: Simplify right side
    3,226.89x = 10,322,222.20
  5. Step 5: Solve for x
    x = 10,322,222.20/3,226.89
  6. Step 6: Final answer
    x = 3,198.81

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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.