Home / 2,137.51-3,198.97-1,791.24

Finding the Fourth Proportional to 2,137.51, 3,198.97 and 1,791.24

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Solution

The fourth proportional to 2,137.51, 3,198.97 and 1,791.24 is: 2,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.51 : 3,198.97 = 1,791.24 : x
  2. Step 2: Convert to fraction form
    2,137.51/3,198.97 = 1,791.24/x
  3. Step 3: Cross multiply
    2,137.51x = 3,198.97 × 1,791.24
  4. Step 4: Simplify right side
    2,137.51x = 5,730,123.02
  5. Step 5: Solve for x
    x = 5,730,123.02/2,137.51
  6. Step 6: Final answer
    x = 2,680.75

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1.5x scale

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.