Home / 2,137.66-3,198.60-1,825.42

Finding the Fourth Proportional to 2,137.66, 3,198.60 and 1,825.42

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Solution

The fourth proportional to 2,137.66, 3,198.60 and 1,825.42 is: 2,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.66 : 3,198.60 = 1,825.42 : x
  2. Step 2: Convert to fraction form
    2,137.66/3,198.60 = 1,825.42/x
  3. Step 3: Cross multiply
    2,137.66x = 3,198.60 × 1,825.42
  4. Step 4: Simplify right side
    2,137.66x = 5,838,788.41
  5. Step 5: Solve for x
    x = 5,838,788.41/2,137.66
  6. Step 6: Final answer
    x = 2,731.39

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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.