Home / 2,961.98-4,087.49-1,635.66

Finding the Fourth Proportional to 2,961.98, 4,087.49 and 1,635.66

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Solution

The fourth proportional to 2,961.98, 4,087.49 and 1,635.66 is: 2,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.98 : 4,087.49 = 1,635.66 : x
  2. Step 2: Convert to fraction form
    2,961.98/4,087.49 = 1,635.66/x
  3. Step 3: Cross multiply
    2,961.98x = 4,087.49 × 1,635.66
  4. Step 4: Simplify right side
    2,961.98x = 6,685,735.72
  5. Step 5: Solve for x
    x = 6,685,735.72/2,961.98
  6. Step 6: Final answer
    x = 2,257.19

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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.