Home / 3,112.29-4,663.57-1,796.85

Finding the Fourth Proportional to 3,112.29, 4,663.57 and 1,796.85

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Solution

The fourth proportional to 3,112.29, 4,663.57 and 1,796.85 is: 2,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.29 : 4,663.57 = 1,796.85 : x
  2. Step 2: Convert to fraction form
    3,112.29/4,663.57 = 1,796.85/x
  3. Step 3: Cross multiply
    3,112.29x = 4,663.57 × 1,796.85
  4. Step 4: Simplify right side
    3,112.29x = 8,379,735.75
  5. Step 5: Solve for x
    x = 8,379,735.75/3,112.29
  6. Step 6: Final answer
    x = 2,692.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.