Home / 3,205.62-4,422.99-1,946.64

Finding the Fourth Proportional to 3,205.62, 4,422.99 and 1,946.64

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Solution

The fourth proportional to 3,205.62, 4,422.99 and 1,946.64 is: 2,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.62 : 4,422.99 = 1,946.64 : x
  2. Step 2: Convert to fraction form
    3,205.62/4,422.99 = 1,946.64/x
  3. Step 3: Cross multiply
    3,205.62x = 4,422.99 × 1,946.64
  4. Step 4: Simplify right side
    3,205.62x = 8,609,969.25
  5. Step 5: Solve for x
    x = 8,609,969.25/3,205.62
  6. Step 6: Final answer
    x = 2,685.90

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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.