Home / 1,223.24-1,843.91-1,205.96

Finding the Fourth Proportional to 1,223.24, 1,843.91 and 1,205.96

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Solution

The fourth proportional to 1,223.24, 1,843.91 and 1,205.96 is: 1,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.24 : 1,843.91 = 1,205.96 : x
  2. Step 2: Convert to fraction form
    1,223.24/1,843.91 = 1,205.96/x
  3. Step 3: Cross multiply
    1,223.24x = 1,843.91 × 1,205.96
  4. Step 4: Simplify right side
    1,223.24x = 2,223,681.70
  5. Step 5: Solve for x
    x = 2,223,681.70/1,223.24
  6. Step 6: Final answer
    x = 1,817.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.