Home / 2,163.52-2,986.14-1,367.56

Finding the Fourth Proportional to 2,163.52, 2,986.14 and 1,367.56

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Solution

The fourth proportional to 2,163.52, 2,986.14 and 1,367.56 is: 1,887.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.52 : 2,986.14 = 1,367.56 : x
  2. Step 2: Convert to fraction form
    2,163.52/2,986.14 = 1,367.56/x
  3. Step 3: Cross multiply
    2,163.52x = 2,986.14 × 1,367.56
  4. Step 4: Simplify right side
    2,163.52x = 4,083,725.62
  5. Step 5: Solve for x
    x = 4,083,725.62/2,163.52
  6. Step 6: Final answer
    x = 1,887.54

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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.