Home / 1,550.26-2,324.30-769.31

Finding the Fourth Proportional to 1,550.26, 2,324.30 and 769.31

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Solution

The fourth proportional to 1,550.26, 2,324.30 and 769.31 is: 1,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.26 : 2,324.30 = 769.31 : x
  2. Step 2: Convert to fraction form
    1,550.26/2,324.30 = 769.31/x
  3. Step 3: Cross multiply
    1,550.26x = 2,324.30 × 769.31
  4. Step 4: Simplify right side
    1,550.26x = 1,788,107.23
  5. Step 5: Solve for x
    x = 1,788,107.23/1,550.26
  6. Step 6: Final answer
    x = 1,153.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.