Home / 2,611.96-3,917.34-1,206.04

Finding the Fourth Proportional to 2,611.96, 3,917.34 and 1,206.04

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Solution

The fourth proportional to 2,611.96, 3,917.34 and 1,206.04 is: 1,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.96 : 3,917.34 = 1,206.04 : x
  2. Step 2: Convert to fraction form
    2,611.96/3,917.34 = 1,206.04/x
  3. Step 3: Cross multiply
    2,611.96x = 3,917.34 × 1,206.04
  4. Step 4: Simplify right side
    2,611.96x = 4,724,468.73
  5. Step 5: Solve for x
    x = 4,724,468.73/2,611.96
  6. Step 6: Final answer
    x = 1,808.78

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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.