Home / 2,911.82-4,016.66-1,733.28

Finding the Fourth Proportional to 2,911.82, 4,016.66 and 1,733.28

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Solution

The fourth proportional to 2,911.82, 4,016.66 and 1,733.28 is: 2,390.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.82 : 4,016.66 = 1,733.28 : x
  2. Step 2: Convert to fraction form
    2,911.82/4,016.66 = 1,733.28/x
  3. Step 3: Cross multiply
    2,911.82x = 4,016.66 × 1,733.28
  4. Step 4: Simplify right side
    2,911.82x = 6,961,996.44
  5. Step 5: Solve for x
    x = 6,961,996.44/2,911.82
  6. Step 6: Final answer
    x = 2,390.94

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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.