Home / 4,112.86-5,675.75-2,249.86

Finding the Fourth Proportional to 4,112.86, 5,675.75 and 2,249.86

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Solution

The fourth proportional to 4,112.86, 5,675.75 and 2,249.86 is: 3,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.86 : 5,675.75 = 2,249.86 : x
  2. Step 2: Convert to fraction form
    4,112.86/5,675.75 = 2,249.86/x
  3. Step 3: Cross multiply
    4,112.86x = 5,675.75 × 2,249.86
  4. Step 4: Simplify right side
    4,112.86x = 12,769,642.90
  5. Step 5: Solve for x
    x = 12,769,642.90/4,112.86
  6. Step 6: Final answer
    x = 3,104.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.