Home / 3,949.44-5,922.09-1,972.95

Finding the Fourth Proportional to 3,949.44, 5,922.09 and 1,972.95

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Solution

The fourth proportional to 3,949.44, 5,922.09 and 1,972.95 is: 2,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.44 : 5,922.09 = 1,972.95 : x
  2. Step 2: Convert to fraction form
    3,949.44/5,922.09 = 1,972.95/x
  3. Step 3: Cross multiply
    3,949.44x = 5,922.09 × 1,972.95
  4. Step 4: Simplify right side
    3,949.44x = 11,683,987.47
  5. Step 5: Solve for x
    x = 11,683,987.47/3,949.44
  6. Step 6: Final answer
    x = 2,958.39

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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.