Home / 3,247.56-4,481.71-1,831.30

Finding the Fourth Proportional to 3,247.56, 4,481.71 and 1,831.30

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Solution

The fourth proportional to 3,247.56, 4,481.71 and 1,831.30 is: 2,527.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.56 : 4,481.71 = 1,831.30 : x
  2. Step 2: Convert to fraction form
    3,247.56/4,481.71 = 1,831.30/x
  3. Step 3: Cross multiply
    3,247.56x = 4,481.71 × 1,831.30
  4. Step 4: Simplify right side
    3,247.56x = 8,207,339.74
  5. Step 5: Solve for x
    x = 8,207,339.74/3,247.56
  6. Step 6: Final answer
    x = 2,527.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.