Home / 2,197.14-3,293.55-1,221.23

Finding the Fourth Proportional to 2,197.14, 3,293.55 and 1,221.23

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Solution

The fourth proportional to 2,197.14, 3,293.55 and 1,221.23 is: 1,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.14 : 3,293.55 = 1,221.23 : x
  2. Step 2: Convert to fraction form
    2,197.14/3,293.55 = 1,221.23/x
  3. Step 3: Cross multiply
    2,197.14x = 3,293.55 × 1,221.23
  4. Step 4: Simplify right side
    2,197.14x = 4,022,182.07
  5. Step 5: Solve for x
    x = 4,022,182.07/2,197.14
  6. Step 6: Final answer
    x = 1,830.64

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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.