Home / 3,552.80-5,327.20-1,361.60

Finding the Fourth Proportional to 3,552.80, 5,327.20 and 1,361.60

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Solution

The fourth proportional to 3,552.80, 5,327.20 and 1,361.60 is: 2,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.80 : 5,327.20 = 1,361.60 : x
  2. Step 2: Convert to fraction form
    3,552.80/5,327.20 = 1,361.60/x
  3. Step 3: Cross multiply
    3,552.80x = 5,327.20 × 1,361.60
  4. Step 4: Simplify right side
    3,552.80x = 7,253,515.52
  5. Step 5: Solve for x
    x = 7,253,515.52/3,552.80
  6. Step 6: Final answer
    x = 2,041.63

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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.