Home / 3,976.52-5,486.60-2,207.68

Finding the Fourth Proportional to 3,976.52, 5,486.60 and 2,207.68

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Solution

The fourth proportional to 3,976.52, 5,486.60 and 2,207.68 is: 3,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.52 : 5,486.60 = 2,207.68 : x
  2. Step 2: Convert to fraction form
    3,976.52/5,486.60 = 2,207.68/x
  3. Step 3: Cross multiply
    3,976.52x = 5,486.60 × 2,207.68
  4. Step 4: Simplify right side
    3,976.52x = 12,112,648.89
  5. Step 5: Solve for x
    x = 12,112,648.89/3,976.52
  6. Step 6: Final answer
    x = 3,046.05

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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.