Home / 3,949.86-5,924.79-1,028.16

Finding the Fourth Proportional to 3,949.86, 5,924.79 and 1,028.16

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Solution

The fourth proportional to 3,949.86, 5,924.79 and 1,028.16 is: 1,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.86 : 5,924.79 = 1,028.16 : x
  2. Step 2: Convert to fraction form
    3,949.86/5,924.79 = 1,028.16/x
  3. Step 3: Cross multiply
    3,949.86x = 5,924.79 × 1,028.16
  4. Step 4: Simplify right side
    3,949.86x = 6,091,632.09
  5. Step 5: Solve for x
    x = 6,091,632.09/3,949.86
  6. Step 6: Final answer
    x = 1,542.24

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1.5x scale

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.