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Finding the Fourth Proportional to 1,796.36, 2,479 and 1,010.38

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Solution

The fourth proportional to 1,796.36, 2,479 and 1,010.38 is: 1,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.36 : 2,479 = 1,010.38 : x
  2. Step 2: Convert to fraction form
    1,796.36/2,479 = 1,010.38/x
  3. Step 3: Cross multiply
    1,796.36x = 2,479 × 1,010.38
  4. Step 4: Simplify right side
    1,796.36x = 2,504,732.02
  5. Step 5: Solve for x
    x = 2,504,732.02/1,796.36
  6. Step 6: Final answer
    x = 1,394.34

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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.