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Finding the Fourth Proportional to 1,788.03, 2,469.83 and 1,316.88

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Solution

The fourth proportional to 1,788.03, 2,469.83 and 1,316.88 is: 1,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.03 : 2,469.83 = 1,316.88 : x
  2. Step 2: Convert to fraction form
    1,788.03/2,469.83 = 1,316.88/x
  3. Step 3: Cross multiply
    1,788.03x = 2,469.83 × 1,316.88
  4. Step 4: Simplify right side
    1,788.03x = 3,252,463.15
  5. Step 5: Solve for x
    x = 3,252,463.15/1,788.03
  6. Step 6: Final answer
    x = 1,819.02

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