Home / 3,634.32-5,451.84-1,687.44

Finding the Fourth Proportional to 3,634.32, 5,451.84 and 1,687.44

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Solution

The fourth proportional to 3,634.32, 5,451.84 and 1,687.44 is: 2,531.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.32 : 5,451.84 = 1,687.44 : x
  2. Step 2: Convert to fraction form
    3,634.32/5,451.84 = 1,687.44/x
  3. Step 3: Cross multiply
    3,634.32x = 5,451.84 × 1,687.44
  4. Step 4: Simplify right side
    3,634.32x = 9,199,652.89
  5. Step 5: Solve for x
    x = 9,199,652.89/3,634.32
  6. Step 6: Final answer
    x = 2,531.33

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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.