Home / 3,377.30-4,661.66-1,961.33

Finding the Fourth Proportional to 3,377.30, 4,661.66 and 1,961.33

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Solution

The fourth proportional to 3,377.30, 4,661.66 and 1,961.33 is: 2,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.30 : 4,661.66 = 1,961.33 : x
  2. Step 2: Convert to fraction form
    3,377.30/4,661.66 = 1,961.33/x
  3. Step 3: Cross multiply
    3,377.30x = 4,661.66 × 1,961.33
  4. Step 4: Simplify right side
    3,377.30x = 9,143,035.20
  5. Step 5: Solve for x
    x = 9,143,035.20/3,377.30
  6. Step 6: Final answer
    x = 2,707.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.