Home / 3,270.70-4,907.07-1,080.97

Finding the Fourth Proportional to 3,270.70, 4,907.07 and 1,080.97

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Solution

The fourth proportional to 3,270.70, 4,907.07 and 1,080.97 is: 1,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.70 : 4,907.07 = 1,080.97 : x
  2. Step 2: Convert to fraction form
    3,270.70/4,907.07 = 1,080.97/x
  3. Step 3: Cross multiply
    3,270.70x = 4,907.07 × 1,080.97
  4. Step 4: Simplify right side
    3,270.70x = 5,304,370.92
  5. Step 5: Solve for x
    x = 5,304,370.92/3,270.70
  6. Step 6: Final answer
    x = 1,621.78

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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.