Home / 3,539.56-4,882.66-2,212.78

Finding the Fourth Proportional to 3,539.56, 4,882.66 and 2,212.78

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Solution

The fourth proportional to 3,539.56, 4,882.66 and 2,212.78 is: 3,052.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.56 : 4,882.66 = 2,212.78 : x
  2. Step 2: Convert to fraction form
    3,539.56/4,882.66 = 2,212.78/x
  3. Step 3: Cross multiply
    3,539.56x = 4,882.66 × 2,212.78
  4. Step 4: Simplify right side
    3,539.56x = 10,804,234.66
  5. Step 5: Solve for x
    x = 10,804,234.66/3,539.56
  6. Step 6: Final answer
    x = 3,052.43

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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.