Home / 2,197.13-3,297.97-1,274.49

Finding the Fourth Proportional to 2,197.13, 3,297.97 and 1,274.49

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Solution

The fourth proportional to 2,197.13, 3,297.97 and 1,274.49 is: 1,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.13 : 3,297.97 = 1,274.49 : x
  2. Step 2: Convert to fraction form
    2,197.13/3,297.97 = 1,274.49/x
  3. Step 3: Cross multiply
    2,197.13x = 3,297.97 × 1,274.49
  4. Step 4: Simplify right side
    2,197.13x = 4,203,229.79
  5. Step 5: Solve for x
    x = 4,203,229.79/2,197.13
  6. Step 6: Final answer
    x = 1,913.05

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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.