Home / 3,831.26-5,747.78-1,234.18

Finding the Fourth Proportional to 3,831.26, 5,747.78 and 1,234.18

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Solution

The fourth proportional to 3,831.26, 5,747.78 and 1,234.18 is: 1,851.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.26 : 5,747.78 = 1,234.18 : x
  2. Step 2: Convert to fraction form
    3,831.26/5,747.78 = 1,234.18/x
  3. Step 3: Cross multiply
    3,831.26x = 5,747.78 × 1,234.18
  4. Step 4: Simplify right side
    3,831.26x = 7,093,795.12
  5. Step 5: Solve for x
    x = 7,093,795.12/3,831.26
  6. Step 6: Final answer
    x = 1,851.56

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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.