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Finding the Fourth Proportional to 1,788.36, 2,684.36 and 1,233.11

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Solution

The fourth proportional to 1,788.36, 2,684.36 and 1,233.11 is: 1,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.36 : 2,684.36 = 1,233.11 : x
  2. Step 2: Convert to fraction form
    1,788.36/2,684.36 = 1,233.11/x
  3. Step 3: Cross multiply
    1,788.36x = 2,684.36 × 1,233.11
  4. Step 4: Simplify right side
    1,788.36x = 3,310,097.74
  5. Step 5: Solve for x
    x = 3,310,097.74/1,788.36
  6. Step 6: Final answer
    x = 1,850.91

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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.