Home / 3,976.12-5,488.92-2,383.54

Finding the Fourth Proportional to 3,976.12, 5,488.92 and 2,383.54

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Solution

The fourth proportional to 3,976.12, 5,488.92 and 2,383.54 is: 3,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.12 : 5,488.92 = 2,383.54 : x
  2. Step 2: Convert to fraction form
    3,976.12/5,488.92 = 2,383.54/x
  3. Step 3: Cross multiply
    3,976.12x = 5,488.92 × 2,383.54
  4. Step 4: Simplify right side
    3,976.12x = 13,083,060.38
  5. Step 5: Solve for x
    x = 13,083,060.38/3,976.12
  6. Step 6: Final answer
    x = 3,290.41

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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.