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Finding the Fourth Proportional to 2,873.23, 4,309.56 and 793.15

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Solution

The fourth proportional to 2,873.23, 4,309.56 and 793.15 is: 1,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.23 : 4,309.56 = 793.15 : x
  2. Step 2: Convert to fraction form
    2,873.23/4,309.56 = 793.15/x
  3. Step 3: Cross multiply
    2,873.23x = 4,309.56 × 793.15
  4. Step 4: Simplify right side
    2,873.23x = 3,418,116.74
  5. Step 5: Solve for x
    x = 3,418,116.74/2,873.23
  6. Step 6: Final answer
    x = 1,189.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.