Home / 2,118.35-2,923.49-1,233.97

Finding the Fourth Proportional to 2,118.35, 2,923.49 and 1,233.97

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Solution

The fourth proportional to 2,118.35, 2,923.49 and 1,233.97 is: 1,702.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.35 : 2,923.49 = 1,233.97 : x
  2. Step 2: Convert to fraction form
    2,118.35/2,923.49 = 1,233.97/x
  3. Step 3: Cross multiply
    2,118.35x = 2,923.49 × 1,233.97
  4. Step 4: Simplify right side
    2,118.35x = 3,607,494.73
  5. Step 5: Solve for x
    x = 3,607,494.73/2,118.35
  6. Step 6: Final answer
    x = 1,702.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.