Home / 3,081.39-4,620.23-1,205.04

Finding the Fourth Proportional to 3,081.39, 4,620.23 and 1,205.04

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Solution

The fourth proportional to 3,081.39, 4,620.23 and 1,205.04 is: 1,806.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.39 : 4,620.23 = 1,205.04 : x
  2. Step 2: Convert to fraction form
    3,081.39/4,620.23 = 1,205.04/x
  3. Step 3: Cross multiply
    3,081.39x = 4,620.23 × 1,205.04
  4. Step 4: Simplify right side
    3,081.39x = 5,567,558.95
  5. Step 5: Solve for x
    x = 5,567,558.95/3,081.39
  6. Step 6: Final answer
    x = 1,806.84

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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.