Home / 3,949.81-5,924.75-1,028.12

Finding the Fourth Proportional to 3,949.81, 5,924.75 and 1,028.12

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Solution

The fourth proportional to 3,949.81, 5,924.75 and 1,028.12 is: 1,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.81 : 5,924.75 = 1,028.12 : x
  2. Step 2: Convert to fraction form
    3,949.81/5,924.75 = 1,028.12/x
  3. Step 3: Cross multiply
    3,949.81x = 5,924.75 × 1,028.12
  4. Step 4: Simplify right side
    3,949.81x = 6,091,319.21
  5. Step 5: Solve for x
    x = 6,091,319.21/3,949.81
  6. Step 6: Final answer
    x = 1,542.18

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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.