Home / 3,908.82-5,394.49-2,337.22

Finding the Fourth Proportional to 3,908.82, 5,394.49 and 2,337.22

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Solution

The fourth proportional to 3,908.82, 5,394.49 and 2,337.22 is: 3,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.82 : 5,394.49 = 2,337.22 : x
  2. Step 2: Convert to fraction form
    3,908.82/5,394.49 = 2,337.22/x
  3. Step 3: Cross multiply
    3,908.82x = 5,394.49 × 2,337.22
  4. Step 4: Simplify right side
    3,908.82x = 12,608,109.92
  5. Step 5: Solve for x
    x = 12,608,109.92/3,908.82
  6. Step 6: Final answer
    x = 3,225.55

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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.