Home / 3,456.09-5,171.79-2,767.18

Finding the Fourth Proportional to 3,456.09, 5,171.79 and 2,767.18

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Solution

The fourth proportional to 3,456.09, 5,171.79 and 2,767.18 is: 4,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.09 : 5,171.79 = 2,767.18 : x
  2. Step 2: Convert to fraction form
    3,456.09/5,171.79 = 2,767.18/x
  3. Step 3: Cross multiply
    3,456.09x = 5,171.79 × 2,767.18
  4. Step 4: Simplify right side
    3,456.09x = 14,311,273.85
  5. Step 5: Solve for x
    x = 14,311,273.85/3,456.09
  6. Step 6: Final answer
    x = 4,140.89

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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.