Home / 3,879.04-5,348.94-2,882.68

Finding the Fourth Proportional to 3,879.04, 5,348.94 and 2,882.68

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Solution

The fourth proportional to 3,879.04, 5,348.94 and 2,882.68 is: 3,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.04 : 5,348.94 = 2,882.68 : x
  2. Step 2: Convert to fraction form
    3,879.04/5,348.94 = 2,882.68/x
  3. Step 3: Cross multiply
    3,879.04x = 5,348.94 × 2,882.68
  4. Step 4: Simplify right side
    3,879.04x = 15,419,282.36
  5. Step 5: Solve for x
    x = 15,419,282.36/3,879.04
  6. Step 6: Final answer
    x = 3,975.03

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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.