Home / 3,163.68-4,363.44-2,101.92

Finding the Fourth Proportional to 3,163.68, 4,363.44 and 2,101.92

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Solution

The fourth proportional to 3,163.68, 4,363.44 and 2,101.92 is: 2,899.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.68 : 4,363.44 = 2,101.92 : x
  2. Step 2: Convert to fraction form
    3,163.68/4,363.44 = 2,101.92/x
  3. Step 3: Cross multiply
    3,163.68x = 4,363.44 × 2,101.92
  4. Step 4: Simplify right side
    3,163.68x = 9,171,601.80
  5. Step 5: Solve for x
    x = 9,171,601.80/3,163.68
  6. Step 6: Final answer
    x = 2,899.03

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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.