Home / 3,201.23-4,801.80-1,120.66

Finding the Fourth Proportional to 3,201.23, 4,801.80 and 1,120.66

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Solution

The fourth proportional to 3,201.23, 4,801.80 and 1,120.66 is: 1,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.23 : 4,801.80 = 1,120.66 : x
  2. Step 2: Convert to fraction form
    3,201.23/4,801.80 = 1,120.66/x
  3. Step 3: Cross multiply
    3,201.23x = 4,801.80 × 1,120.66
  4. Step 4: Simplify right side
    3,201.23x = 5,381,177.39
  5. Step 5: Solve for x
    x = 5,381,177.39/3,201.23
  6. Step 6: Final answer
    x = 1,680.97

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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.