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Finding the Fourth Proportional to 2,231.96, 3,080.14 and 1,300.44

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Solution

The fourth proportional to 2,231.96, 3,080.14 and 1,300.44 is: 1,794.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.96 : 3,080.14 = 1,300.44 : x
  2. Step 2: Convert to fraction form
    2,231.96/3,080.14 = 1,300.44/x
  3. Step 3: Cross multiply
    2,231.96x = 3,080.14 × 1,300.44
  4. Step 4: Simplify right side
    2,231.96x = 4,005,537.26
  5. Step 5: Solve for x
    x = 4,005,537.26/2,231.96
  6. Step 6: Final answer
    x = 1,794.63

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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.