Home / 2,161.08-3,236.43-1,233.83

Finding the Fourth Proportional to 2,161.08, 3,236.43 and 1,233.83

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Solution

The fourth proportional to 2,161.08, 3,236.43 and 1,233.83 is: 1,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.08 : 3,236.43 = 1,233.83 : x
  2. Step 2: Convert to fraction form
    2,161.08/3,236.43 = 1,233.83/x
  3. Step 3: Cross multiply
    2,161.08x = 3,236.43 × 1,233.83
  4. Step 4: Simplify right side
    2,161.08x = 3,993,207.39
  5. Step 5: Solve for x
    x = 3,993,207.39/2,161.08
  6. Step 6: Final answer
    x = 1,847.78

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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.