Home / 3,634.62-5,449.77-1,323.42

Finding the Fourth Proportional to 3,634.62, 5,449.77 and 1,323.42

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Solution

The fourth proportional to 3,634.62, 5,449.77 and 1,323.42 is: 1,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.62 : 5,449.77 = 1,323.42 : x
  2. Step 2: Convert to fraction form
    3,634.62/5,449.77 = 1,323.42/x
  3. Step 3: Cross multiply
    3,634.62x = 5,449.77 × 1,323.42
  4. Step 4: Simplify right side
    3,634.62x = 7,212,334.61
  5. Step 5: Solve for x
    x = 7,212,334.61/3,634.62
  6. Step 6: Final answer
    x = 1,984.34

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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.