Home / 3,206.42-4,812.05-2,163.95

Finding the Fourth Proportional to 3,206.42, 4,812.05 and 2,163.95

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Solution

The fourth proportional to 3,206.42, 4,812.05 and 2,163.95 is: 3,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.42 : 4,812.05 = 2,163.95 : x
  2. Step 2: Convert to fraction form
    3,206.42/4,812.05 = 2,163.95/x
  3. Step 3: Cross multiply
    3,206.42x = 4,812.05 × 2,163.95
  4. Step 4: Simplify right side
    3,206.42x = 10,413,035.60
  5. Step 5: Solve for x
    x = 10,413,035.60/3,206.42
  6. Step 6: Final answer
    x = 3,247.56

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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.