Home / 3,975.94-5,486.43-2,207.44

Finding the Fourth Proportional to 3,975.94, 5,486.43 and 2,207.44

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Solution

The fourth proportional to 3,975.94, 5,486.43 and 2,207.44 is: 3,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.94 : 5,486.43 = 2,207.44 : x
  2. Step 2: Convert to fraction form
    3,975.94/5,486.43 = 2,207.44/x
  3. Step 3: Cross multiply
    3,975.94x = 5,486.43 × 2,207.44
  4. Step 4: Simplify right side
    3,975.94x = 12,110,965.04
  5. Step 5: Solve for x
    x = 12,110,965.04/3,975.94
  6. Step 6: Final answer
    x = 3,046.06

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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.