Home / 3,831.44-5,745.09-1,162.65

Finding the Fourth Proportional to 3,831.44, 5,745.09 and 1,162.65

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Solution

The fourth proportional to 3,831.44, 5,745.09 and 1,162.65 is: 1,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.44 : 5,745.09 = 1,162.65 : x
  2. Step 2: Convert to fraction form
    3,831.44/5,745.09 = 1,162.65/x
  3. Step 3: Cross multiply
    3,831.44x = 5,745.09 × 1,162.65
  4. Step 4: Simplify right side
    3,831.44x = 6,679,548.25
  5. Step 5: Solve for x
    x = 6,679,548.25/3,831.44
  6. Step 6: Final answer
    x = 1,743.35

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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.