Home / 3,270.76-4,902.46-2,147.18

Finding the Fourth Proportional to 3,270.76, 4,902.46 and 2,147.18

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Solution

The fourth proportional to 3,270.76, 4,902.46 and 2,147.18 is: 3,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.76 : 4,902.46 = 2,147.18 : x
  2. Step 2: Convert to fraction form
    3,270.76/4,902.46 = 2,147.18/x
  3. Step 3: Cross multiply
    3,270.76x = 4,902.46 × 2,147.18
  4. Step 4: Simplify right side
    3,270.76x = 10,526,434.18
  5. Step 5: Solve for x
    x = 10,526,434.18/3,270.76
  6. Step 6: Final answer
    x = 3,218.35

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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.