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Finding the Fourth Proportional to 3,831.72, 5,747.44 and 1,234.73

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Solution

The fourth proportional to 3,831.72, 5,747.44 and 1,234.73 is: 1,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.72 : 5,747.44 = 1,234.73 : x
  2. Step 2: Convert to fraction form
    3,831.72/5,747.44 = 1,234.73/x
  3. Step 3: Cross multiply
    3,831.72x = 5,747.44 × 1,234.73
  4. Step 4: Simplify right side
    3,831.72x = 7,096,536.59
  5. Step 5: Solve for x
    x = 7,096,536.59/3,831.72
  6. Step 6: Final answer
    x = 1,852.05

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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.