Home / 3,845.88-5,767.74-1,249.02

Finding the Fourth Proportional to 3,845.88, 5,767.74 and 1,249.02

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Solution

The fourth proportional to 3,845.88, 5,767.74 and 1,249.02 is: 1,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.88 : 5,767.74 = 1,249.02 : x
  2. Step 2: Convert to fraction form
    3,845.88/5,767.74 = 1,249.02/x
  3. Step 3: Cross multiply
    3,845.88x = 5,767.74 × 1,249.02
  4. Step 4: Simplify right side
    3,845.88x = 7,204,022.61
  5. Step 5: Solve for x
    x = 7,204,022.61/3,845.88
  6. Step 6: Final answer
    x = 1,873.18

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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.