Home / 1,768.82-2,650.46-1,118.19

Finding the Fourth Proportional to 1,768.82, 2,650.46 and 1,118.19

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Solution

The fourth proportional to 1,768.82, 2,650.46 and 1,118.19 is: 1,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.82 : 2,650.46 = 1,118.19 : x
  2. Step 2: Convert to fraction form
    1,768.82/2,650.46 = 1,118.19/x
  3. Step 3: Cross multiply
    1,768.82x = 2,650.46 × 1,118.19
  4. Step 4: Simplify right side
    1,768.82x = 2,963,717.87
  5. Step 5: Solve for x
    x = 2,963,717.87/1,768.82
  6. Step 6: Final answer
    x = 1,675.53

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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.