Home / 2,751.82-4,127.68-1,108.33

Finding the Fourth Proportional to 2,751.82, 4,127.68 and 1,108.33

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Solution

The fourth proportional to 2,751.82, 4,127.68 and 1,108.33 is: 1,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.82 : 4,127.68 = 1,108.33 : x
  2. Step 2: Convert to fraction form
    2,751.82/4,127.68 = 1,108.33/x
  3. Step 3: Cross multiply
    2,751.82x = 4,127.68 × 1,108.33
  4. Step 4: Simplify right side
    2,751.82x = 4,574,810.94
  5. Step 5: Solve for x
    x = 4,574,810.94/2,751.82
  6. Step 6: Final answer
    x = 1,662.47

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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.