Home / 3,932.06-5,426.12-2,163.62

Finding the Fourth Proportional to 3,932.06, 5,426.12 and 2,163.62

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Solution

The fourth proportional to 3,932.06, 5,426.12 and 2,163.62 is: 2,985.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.06 : 5,426.12 = 2,163.62 : x
  2. Step 2: Convert to fraction form
    3,932.06/5,426.12 = 2,163.62/x
  3. Step 3: Cross multiply
    3,932.06x = 5,426.12 × 2,163.62
  4. Step 4: Simplify right side
    3,932.06x = 11,740,080.73
  5. Step 5: Solve for x
    x = 11,740,080.73/3,932.06
  6. Step 6: Final answer
    x = 2,985.74

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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.