Home / 3,791.02-5,231.23-2,112.37

Finding the Fourth Proportional to 3,791.02, 5,231.23 and 2,112.37

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Solution

The fourth proportional to 3,791.02, 5,231.23 and 2,112.37 is: 2,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.02 : 5,231.23 = 2,112.37 : x
  2. Step 2: Convert to fraction form
    3,791.02/5,231.23 = 2,112.37/x
  3. Step 3: Cross multiply
    3,791.02x = 5,231.23 × 2,112.37
  4. Step 4: Simplify right side
    3,791.02x = 11,050,293.32
  5. Step 5: Solve for x
    x = 11,050,293.32/3,791.02
  6. Step 6: Final answer
    x = 2,914.86

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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.