Home / 3,332.62-4,989.68-2,163.98

Finding the Fourth Proportional to 3,332.62, 4,989.68 and 2,163.98

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Solution

The fourth proportional to 3,332.62, 4,989.68 and 2,163.98 is: 3,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.62 : 4,989.68 = 2,163.98 : x
  2. Step 2: Convert to fraction form
    3,332.62/4,989.68 = 2,163.98/x
  3. Step 3: Cross multiply
    3,332.62x = 4,989.68 × 2,163.98
  4. Step 4: Simplify right side
    3,332.62x = 10,797,567.73
  5. Step 5: Solve for x
    x = 10,797,567.73/3,332.62
  6. Step 6: Final answer
    x = 3,239.96

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1.5x scale

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.