Home / 1,135.26-1,694.75-1,033.20

Finding the Fourth Proportional to 1,135.26, 1,694.75 and 1,033.20

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Solution

The fourth proportional to 1,135.26, 1,694.75 and 1,033.20 is: 1,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135.26 : 1,694.75 = 1,033.20 : x
  2. Step 2: Convert to fraction form
    1,135.26/1,694.75 = 1,033.20/x
  3. Step 3: Cross multiply
    1,135.26x = 1,694.75 × 1,033.20
  4. Step 4: Simplify right side
    1,135.26x = 1,751,010.53
  5. Step 5: Solve for x
    x = 1,751,010.53/1,135.26
  6. Step 6: Final answer
    x = 1,542.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.