Home / 3,213.22-4,431.09-2,581.73

Finding the Fourth Proportional to 3,213.22, 4,431.09 and 2,581.73

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Solution

The fourth proportional to 3,213.22, 4,431.09 and 2,581.73 is: 3,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.22 : 4,431.09 = 2,581.73 : x
  2. Step 2: Convert to fraction form
    3,213.22/4,431.09 = 2,581.73/x
  3. Step 3: Cross multiply
    3,213.22x = 4,431.09 × 2,581.73
  4. Step 4: Simplify right side
    3,213.22x = 11,439,877.99
  5. Step 5: Solve for x
    x = 11,439,877.99/3,213.22
  6. Step 6: Final answer
    x = 3,560.25

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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.