Home / 3,361.72-5,039.38-1,627.96

Finding the Fourth Proportional to 3,361.72, 5,039.38 and 1,627.96

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Solution

The fourth proportional to 3,361.72, 5,039.38 and 1,627.96 is: 2,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.72 : 5,039.38 = 1,627.96 : x
  2. Step 2: Convert to fraction form
    3,361.72/5,039.38 = 1,627.96/x
  3. Step 3: Cross multiply
    3,361.72x = 5,039.38 × 1,627.96
  4. Step 4: Simplify right side
    3,361.72x = 8,203,909.06
  5. Step 5: Solve for x
    x = 8,203,909.06/3,361.72
  6. Step 6: Final answer
    x = 2,440.39

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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.