Home / 3,227.22-4,842.14-1,280.79

Finding the Fourth Proportional to 3,227.22, 4,842.14 and 1,280.79

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Solution

The fourth proportional to 3,227.22, 4,842.14 and 1,280.79 is: 1,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.22 : 4,842.14 = 1,280.79 : x
  2. Step 2: Convert to fraction form
    3,227.22/4,842.14 = 1,280.79/x
  3. Step 3: Cross multiply
    3,227.22x = 4,842.14 × 1,280.79
  4. Step 4: Simplify right side
    3,227.22x = 6,201,764.49
  5. Step 5: Solve for x
    x = 6,201,764.49/3,227.22
  6. Step 6: Final answer
    x = 1,921.70

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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.