Home / 3,209.83-4,814.66-2,431.31

Finding the Fourth Proportional to 3,209.83, 4,814.66 and 2,431.31

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Solution

The fourth proportional to 3,209.83, 4,814.66 and 2,431.31 is: 3,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.83 : 4,814.66 = 2,431.31 : x
  2. Step 2: Convert to fraction form
    3,209.83/4,814.66 = 2,431.31/x
  3. Step 3: Cross multiply
    3,209.83x = 4,814.66 × 2,431.31
  4. Step 4: Simplify right side
    3,209.83x = 11,705,949.12
  5. Step 5: Solve for x
    x = 11,705,949.12/3,209.83
  6. Step 6: Final answer
    x = 3,646.91

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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.