Home / 2,197.97-3,293.72-1,223.81

Finding the Fourth Proportional to 2,197.97, 3,293.72 and 1,223.81

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Solution

The fourth proportional to 2,197.97, 3,293.72 and 1,223.81 is: 1,833.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.97 : 3,293.72 = 1,223.81 : x
  2. Step 2: Convert to fraction form
    2,197.97/3,293.72 = 1,223.81/x
  3. Step 3: Cross multiply
    2,197.97x = 3,293.72 × 1,223.81
  4. Step 4: Simplify right side
    2,197.97x = 4,030,881.35
  5. Step 5: Solve for x
    x = 4,030,881.35/2,197.97
  6. Step 6: Final answer
    x = 1,833.91

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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.