Home / 1,974.69-2,724.96-1,135.26

Finding the Fourth Proportional to 1,974.69, 2,724.96 and 1,135.26

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Solution

The fourth proportional to 1,974.69, 2,724.96 and 1,135.26 is: 1,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974.69 : 2,724.96 = 1,135.26 : x
  2. Step 2: Convert to fraction form
    1,974.69/2,724.96 = 1,135.26/x
  3. Step 3: Cross multiply
    1,974.69x = 2,724.96 × 1,135.26
  4. Step 4: Simplify right side
    1,974.69x = 3,093,538.09
  5. Step 5: Solve for x
    x = 3,093,538.09/1,974.69
  6. Step 6: Final answer
    x = 1,566.59

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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.