Home / 3,185.62-4,777.30-1,310.96

Finding the Fourth Proportional to 3,185.62, 4,777.30 and 1,310.96

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Solution

The fourth proportional to 3,185.62, 4,777.30 and 1,310.96 is: 1,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.62 : 4,777.30 = 1,310.96 : x
  2. Step 2: Convert to fraction form
    3,185.62/4,777.30 = 1,310.96/x
  3. Step 3: Cross multiply
    3,185.62x = 4,777.30 × 1,310.96
  4. Step 4: Simplify right side
    3,185.62x = 6,262,849.21
  5. Step 5: Solve for x
    x = 6,262,849.21/3,185.62
  6. Step 6: Final answer
    x = 1,965.97

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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.