Home / 3,976.36-5,486.74-2,207.94

Finding the Fourth Proportional to 3,976.36, 5,486.74 and 2,207.94

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Solution

The fourth proportional to 3,976.36, 5,486.74 and 2,207.94 is: 3,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.36 : 5,486.74 = 2,207.94 : x
  2. Step 2: Convert to fraction form
    3,976.36/5,486.74 = 2,207.94/x
  3. Step 3: Cross multiply
    3,976.36x = 5,486.74 × 2,207.94
  4. Step 4: Simplify right side
    3,976.36x = 12,114,392.72
  5. Step 5: Solve for x
    x = 12,114,392.72/3,976.36
  6. Step 6: Final answer
    x = 3,046.60

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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.