Home / 3,270.60-4,512.66-2,210.31

Finding the Fourth Proportional to 3,270.60, 4,512.66 and 2,210.31

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Solution

The fourth proportional to 3,270.60, 4,512.66 and 2,210.31 is: 3,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.60 : 4,512.66 = 2,210.31 : x
  2. Step 2: Convert to fraction form
    3,270.60/4,512.66 = 2,210.31/x
  3. Step 3: Cross multiply
    3,270.60x = 4,512.66 × 2,210.31
  4. Step 4: Simplify right side
    3,270.60x = 9,974,377.52
  5. Step 5: Solve for x
    x = 9,974,377.52/3,270.60
  6. Step 6: Final answer
    x = 3,049.71

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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.