Home / 3,745.24-5,617.83-1,112.75

Finding the Fourth Proportional to 3,745.24, 5,617.83 and 1,112.75

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Solution

The fourth proportional to 3,745.24, 5,617.83 and 1,112.75 is: 1,669.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.24 : 5,617.83 = 1,112.75 : x
  2. Step 2: Convert to fraction form
    3,745.24/5,617.83 = 1,112.75/x
  3. Step 3: Cross multiply
    3,745.24x = 5,617.83 × 1,112.75
  4. Step 4: Simplify right side
    3,745.24x = 6,251,240.33
  5. Step 5: Solve for x
    x = 6,251,240.33/3,745.24
  6. Step 6: Final answer
    x = 1,669.12

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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.