Home / 2,109.92-3,163.95-1,233.29

Finding the Fourth Proportional to 2,109.92, 3,163.95 and 1,233.29

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Solution

The fourth proportional to 2,109.92, 3,163.95 and 1,233.29 is: 1,849.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.92 : 3,163.95 = 1,233.29 : x
  2. Step 2: Convert to fraction form
    2,109.92/3,163.95 = 1,233.29/x
  3. Step 3: Cross multiply
    2,109.92x = 3,163.95 × 1,233.29
  4. Step 4: Simplify right side
    2,109.92x = 3,902,052.08
  5. Step 5: Solve for x
    x = 3,902,052.08/2,109.92
  6. Step 6: Final answer
    x = 1,849.39

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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.