Home / 2,205.94-3,267.62-2,181.36

Finding the Fourth Proportional to 2,205.94, 3,267.62 and 2,181.36

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Solution

The fourth proportional to 2,205.94, 3,267.62 and 2,181.36 is: 3,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.94 : 3,267.62 = 2,181.36 : x
  2. Step 2: Convert to fraction form
    2,205.94/3,267.62 = 2,181.36/x
  3. Step 3: Cross multiply
    2,205.94x = 3,267.62 × 2,181.36
  4. Step 4: Simplify right side
    2,205.94x = 7,127,855.56
  5. Step 5: Solve for x
    x = 7,127,855.56/2,205.94
  6. Step 6: Final answer
    x = 3,231.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.