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Finding the Fourth Proportional to 1,797.99, 2,481.21 and 1,012.03

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Solution

The fourth proportional to 1,797.99, 2,481.21 and 1,012.03 is: 1,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.99 : 2,481.21 = 1,012.03 : x
  2. Step 2: Convert to fraction form
    1,797.99/2,481.21 = 1,012.03/x
  3. Step 3: Cross multiply
    1,797.99x = 2,481.21 × 1,012.03
  4. Step 4: Simplify right side
    1,797.99x = 2,511,058.96
  5. Step 5: Solve for x
    x = 2,511,058.96/1,797.99
  6. Step 6: Final answer
    x = 1,396.59

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Why These Related Problems?

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