Home / 2,163.31-3,241.92-1,237.48

Finding the Fourth Proportional to 2,163.31, 3,241.92 and 1,237.48

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Solution

The fourth proportional to 2,163.31, 3,241.92 and 1,237.48 is: 1,854.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.31 : 3,241.92 = 1,237.48 : x
  2. Step 2: Convert to fraction form
    2,163.31/3,241.92 = 1,237.48/x
  3. Step 3: Cross multiply
    2,163.31x = 3,241.92 × 1,237.48
  4. Step 4: Simplify right side
    2,163.31x = 4,011,811.16
  5. Step 5: Solve for x
    x = 4,011,811.16/2,163.31
  6. Step 6: Final answer
    x = 1,854.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.