Home / 3,270.25-4,524.78-2,851.48

Finding the Fourth Proportional to 3,270.25, 4,524.78 and 2,851.48

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Solution

The fourth proportional to 3,270.25, 4,524.78 and 2,851.48 is: 3,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.25 : 4,524.78 = 2,851.48 : x
  2. Step 2: Convert to fraction form
    3,270.25/4,524.78 = 2,851.48/x
  3. Step 3: Cross multiply
    3,270.25x = 4,524.78 × 2,851.48
  4. Step 4: Simplify right side
    3,270.25x = 12,902,319.67
  5. Step 5: Solve for x
    x = 12,902,319.67/3,270.25
  6. Step 6: Final answer
    x = 3,945.36

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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.