Home / 3,949.38-5,933.79-2,972.52

Finding the Fourth Proportional to 3,949.38, 5,933.79 and 2,972.52

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Solution

The fourth proportional to 3,949.38, 5,933.79 and 2,972.52 is: 4,466.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.38 : 5,933.79 = 2,972.52 : x
  2. Step 2: Convert to fraction form
    3,949.38/5,933.79 = 2,972.52/x
  3. Step 3: Cross multiply
    3,949.38x = 5,933.79 × 2,972.52
  4. Step 4: Simplify right side
    3,949.38x = 17,638,309.45
  5. Step 5: Solve for x
    x = 17,638,309.45/3,949.38
  6. Step 6: Final answer
    x = 4,466.10

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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.