Home / 3,290.47-4,936.66-1,100.73

Finding the Fourth Proportional to 3,290.47, 4,936.66 and 1,100.73

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Solution

The fourth proportional to 3,290.47, 4,936.66 and 1,100.73 is: 1,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.47 : 4,936.66 = 1,100.73 : x
  2. Step 2: Convert to fraction form
    3,290.47/4,936.66 = 1,100.73/x
  3. Step 3: Cross multiply
    3,290.47x = 4,936.66 × 1,100.73
  4. Step 4: Simplify right side
    3,290.47x = 5,433,929.76
  5. Step 5: Solve for x
    x = 5,433,929.76/3,290.47
  6. Step 6: Final answer
    x = 1,651.42

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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.