Home / 3,227.79-4,425.34-3,169.47

Finding the Fourth Proportional to 3,227.79, 4,425.34 and 3,169.47

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Solution

The fourth proportional to 3,227.79, 4,425.34 and 3,169.47 is: 4,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.79 : 4,425.34 = 3,169.47 : x
  2. Step 2: Convert to fraction form
    3,227.79/4,425.34 = 3,169.47/x
  3. Step 3: Cross multiply
    3,227.79x = 4,425.34 × 3,169.47
  4. Step 4: Simplify right side
    3,227.79x = 14,025,986.33
  5. Step 5: Solve for x
    x = 14,025,986.33/3,227.79
  6. Step 6: Final answer
    x = 4,345.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.