Home / 3,976.67-5,486.19-2,297.75

Finding the Fourth Proportional to 3,976.67, 5,486.19 and 2,297.75

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Solution

The fourth proportional to 3,976.67, 5,486.19 and 2,297.75 is: 3,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.67 : 5,486.19 = 2,297.75 : x
  2. Step 2: Convert to fraction form
    3,976.67/5,486.19 = 2,297.75/x
  3. Step 3: Cross multiply
    3,976.67x = 5,486.19 × 2,297.75
  4. Step 4: Simplify right side
    3,976.67x = 12,605,865.64
  5. Step 5: Solve for x
    x = 12,605,865.64/3,976.67
  6. Step 6: Final answer
    x = 3,169.96

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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.