Home / 1,344.26-2,016.75-767.54

Finding the Fourth Proportional to 1,344.26, 2,016.75 and 767.54

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Solution

The fourth proportional to 1,344.26, 2,016.75 and 767.54 is: 1,151.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344.26 : 2,016.75 = 767.54 : x
  2. Step 2: Convert to fraction form
    1,344.26/2,016.75 = 767.54/x
  3. Step 3: Cross multiply
    1,344.26x = 2,016.75 × 767.54
  4. Step 4: Simplify right side
    1,344.26x = 1,547,936.30
  5. Step 5: Solve for x
    x = 1,547,936.30/1,344.26
  6. Step 6: Final answer
    x = 1,151.52

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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.