Home / 2,197.80-3,297.12-1,101.96

Finding the Fourth Proportional to 2,197.80, 3,297.12 and 1,101.96

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Solution

The fourth proportional to 2,197.80, 3,297.12 and 1,101.96 is: 1,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.80 : 3,297.12 = 1,101.96 : x
  2. Step 2: Convert to fraction form
    2,197.80/3,297.12 = 1,101.96/x
  3. Step 3: Cross multiply
    2,197.80x = 3,297.12 × 1,101.96
  4. Step 4: Simplify right side
    2,197.80x = 3,633,294.36
  5. Step 5: Solve for x
    x = 3,633,294.36/2,197.80
  6. Step 6: Final answer
    x = 1,653.15

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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.