Home / 2,961.36-4,083.92-1,965.67

Finding the Fourth Proportional to 2,961.36, 4,083.92 and 1,965.67

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Solution

The fourth proportional to 2,961.36, 4,083.92 and 1,965.67 is: 2,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.36 : 4,083.92 = 1,965.67 : x
  2. Step 2: Convert to fraction form
    2,961.36/4,083.92 = 1,965.67/x
  3. Step 3: Cross multiply
    2,961.36x = 4,083.92 × 1,965.67
  4. Step 4: Simplify right side
    2,961.36x = 8,027,626.36
  5. Step 5: Solve for x
    x = 8,027,626.36/2,961.36
  6. Step 6: Final answer
    x = 2,710.79

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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.