Home / 2,961.50-4,086.82-1,635.17

Finding the Fourth Proportional to 2,961.50, 4,086.82 and 1,635.17

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Solution

The fourth proportional to 2,961.50, 4,086.82 and 1,635.17 is: 2,256.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.50 : 4,086.82 = 1,635.17 : x
  2. Step 2: Convert to fraction form
    2,961.50/4,086.82 = 1,635.17/x
  3. Step 3: Cross multiply
    2,961.50x = 4,086.82 × 1,635.17
  4. Step 4: Simplify right side
    2,961.50x = 6,682,645.46
  5. Step 5: Solve for x
    x = 6,682,645.46/2,961.50
  6. Step 6: Final answer
    x = 2,256.51

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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.