Home / 3,407.75-5,104.53-3,290.25

Finding the Fourth Proportional to 3,407.75, 5,104.53 and 3,290.25

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Solution

The fourth proportional to 3,407.75, 5,104.53 and 3,290.25 is: 4,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.75 : 5,104.53 = 3,290.25 : x
  2. Step 2: Convert to fraction form
    3,407.75/5,104.53 = 3,290.25/x
  3. Step 3: Cross multiply
    3,407.75x = 5,104.53 × 3,290.25
  4. Step 4: Simplify right side
    3,407.75x = 16,795,179.83
  5. Step 5: Solve for x
    x = 16,795,179.83/3,407.75
  6. Step 6: Final answer
    x = 4,928.52

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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.