Home / 3,893.20-5,839.52-1,584.64

Finding the Fourth Proportional to 3,893.20, 5,839.52 and 1,584.64

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Solution

The fourth proportional to 3,893.20, 5,839.52 and 1,584.64 is: 2,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.20 : 5,839.52 = 1,584.64 : x
  2. Step 2: Convert to fraction form
    3,893.20/5,839.52 = 1,584.64/x
  3. Step 3: Cross multiply
    3,893.20x = 5,839.52 × 1,584.64
  4. Step 4: Simplify right side
    3,893.20x = 9,253,536.97
  5. Step 5: Solve for x
    x = 9,253,536.97/3,893.20
  6. Step 6: Final answer
    x = 2,376.85

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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.