Home / 3,949.17-5,919.64-1,608.16

Finding the Fourth Proportional to 3,949.17, 5,919.64 and 1,608.16

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Solution

The fourth proportional to 3,949.17, 5,919.64 and 1,608.16 is: 2,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.17 : 5,919.64 = 1,608.16 : x
  2. Step 2: Convert to fraction form
    3,949.17/5,919.64 = 1,608.16/x
  3. Step 3: Cross multiply
    3,949.17x = 5,919.64 × 1,608.16
  4. Step 4: Simplify right side
    3,949.17x = 9,519,709.44
  5. Step 5: Solve for x
    x = 9,519,709.44/3,949.17
  6. Step 6: Final answer
    x = 2,410.56

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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.