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Finding the Fourth Proportional to 2,222, 3,333.08 and 835.19

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Solution

The fourth proportional to 2,222, 3,333.08 and 835.19 is: 1,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222 : 3,333.08 = 835.19 : x
  2. Step 2: Convert to fraction form
    2,222/3,333.08 = 835.19/x
  3. Step 3: Cross multiply
    2,222x = 3,333.08 × 835.19
  4. Step 4: Simplify right side
    2,222x = 2,783,755.09
  5. Step 5: Solve for x
    x = 2,783,755.09/2,222
  6. Step 6: Final answer
    x = 1,252.82

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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.