Home / 2,257.97-3,112.67-1,941.86

Finding the Fourth Proportional to 2,257.97, 3,112.67 and 1,941.86

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Solution

The fourth proportional to 2,257.97, 3,112.67 and 1,941.86 is: 2,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.97 : 3,112.67 = 1,941.86 : x
  2. Step 2: Convert to fraction form
    2,257.97/3,112.67 = 1,941.86/x
  3. Step 3: Cross multiply
    2,257.97x = 3,112.67 × 1,941.86
  4. Step 4: Simplify right side
    2,257.97x = 6,044,344.09
  5. Step 5: Solve for x
    x = 6,044,344.09/2,257.97
  6. Step 6: Final answer
    x = 2,676.90

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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.