Home / 2,211.22-3,310.44-1,905.04

Finding the Fourth Proportional to 2,211.22, 3,310.44 and 1,905.04

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Solution

The fourth proportional to 2,211.22, 3,310.44 and 1,905.04 is: 2,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.22 : 3,310.44 = 1,905.04 : x
  2. Step 2: Convert to fraction form
    2,211.22/3,310.44 = 1,905.04/x
  3. Step 3: Cross multiply
    2,211.22x = 3,310.44 × 1,905.04
  4. Step 4: Simplify right side
    2,211.22x = 6,306,520.62
  5. Step 5: Solve for x
    x = 6,306,520.62/2,211.22
  6. Step 6: Final answer
    x = 2,852.05

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1.5x scale

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.