Home / 3,220.44-4,831.32-1,371.56

Finding the Fourth Proportional to 3,220.44, 4,831.32 and 1,371.56

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Solution

The fourth proportional to 3,220.44, 4,831.32 and 1,371.56 is: 2,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.44 : 4,831.32 = 1,371.56 : x
  2. Step 2: Convert to fraction form
    3,220.44/4,831.32 = 1,371.56/x
  3. Step 3: Cross multiply
    3,220.44x = 4,831.32 × 1,371.56
  4. Step 4: Simplify right side
    3,220.44x = 6,626,445.26
  5. Step 5: Solve for x
    x = 6,626,445.26/3,220.44
  6. Step 6: Final answer
    x = 2,057.62

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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.