Home / 3,201.91-4,418.19-1,876.03

Finding the Fourth Proportional to 3,201.91, 4,418.19 and 1,876.03

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Solution

The fourth proportional to 3,201.91, 4,418.19 and 1,876.03 is: 2,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.91 : 4,418.19 = 1,876.03 : x
  2. Step 2: Convert to fraction form
    3,201.91/4,418.19 = 1,876.03/x
  3. Step 3: Cross multiply
    3,201.91x = 4,418.19 × 1,876.03
  4. Step 4: Simplify right side
    3,201.91x = 8,288,645.94
  5. Step 5: Solve for x
    x = 8,288,645.94/3,201.91
  6. Step 6: Final answer
    x = 2,588.66

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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.