Home / 3,831.38-5,746.87-1,198.86

Finding the Fourth Proportional to 3,831.38, 5,746.87 and 1,198.86

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Solution

The fourth proportional to 3,831.38, 5,746.87 and 1,198.86 is: 1,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.38 : 5,746.87 = 1,198.86 : x
  2. Step 2: Convert to fraction form
    3,831.38/5,746.87 = 1,198.86/x
  3. Step 3: Cross multiply
    3,831.38x = 5,746.87 × 1,198.86
  4. Step 4: Simplify right side
    3,831.38x = 6,889,692.57
  5. Step 5: Solve for x
    x = 6,889,692.57/3,831.38
  6. Step 6: Final answer
    x = 1,798.23

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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.