Home / 3,932.47-5,426.60-2,163.73

Finding the Fourth Proportional to 3,932.47, 5,426.60 and 2,163.73

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Solution

The fourth proportional to 3,932.47, 5,426.60 and 2,163.73 is: 2,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.47 : 5,426.60 = 2,163.73 : x
  2. Step 2: Convert to fraction form
    3,932.47/5,426.60 = 2,163.73/x
  3. Step 3: Cross multiply
    3,932.47x = 5,426.60 × 2,163.73
  4. Step 4: Simplify right side
    3,932.47x = 11,741,697.22
  5. Step 5: Solve for x
    x = 11,741,697.22/3,932.47
  6. Step 6: Final answer
    x = 2,985.83

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1.5x scale

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.