Home / 2,747.71-4,121.75-1,104.25

Finding the Fourth Proportional to 2,747.71, 4,121.75 and 1,104.25

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Solution

The fourth proportional to 2,747.71, 4,121.75 and 1,104.25 is: 1,656.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.71 : 4,121.75 = 1,104.25 : x
  2. Step 2: Convert to fraction form
    2,747.71/4,121.75 = 1,104.25/x
  3. Step 3: Cross multiply
    2,747.71x = 4,121.75 × 1,104.25
  4. Step 4: Simplify right side
    2,747.71x = 4,551,449.98
  5. Step 5: Solve for x
    x = 4,551,449.98/2,747.71
  6. Step 6: Final answer
    x = 1,656.46

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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.