Home / 3,077.80-4,618.92-1,203.96

Finding the Fourth Proportional to 3,077.80, 4,618.92 and 1,203.96

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Solution

The fourth proportional to 3,077.80, 4,618.92 and 1,203.96 is: 1,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.80 : 4,618.92 = 1,203.96 : x
  2. Step 2: Convert to fraction form
    3,077.80/4,618.92 = 1,203.96/x
  3. Step 3: Cross multiply
    3,077.80x = 4,618.92 × 1,203.96
  4. Step 4: Simplify right side
    3,077.80x = 5,561,016.76
  5. Step 5: Solve for x
    x = 5,561,016.76/3,077.80
  6. Step 6: Final answer
    x = 1,806.82

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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.