Home / 2,311.14-3,464.66-1,080.05

Finding the Fourth Proportional to 2,311.14, 3,464.66 and 1,080.05

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Solution

The fourth proportional to 2,311.14, 3,464.66 and 1,080.05 is: 1,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.14 : 3,464.66 = 1,080.05 : x
  2. Step 2: Convert to fraction form
    2,311.14/3,464.66 = 1,080.05/x
  3. Step 3: Cross multiply
    2,311.14x = 3,464.66 × 1,080.05
  4. Step 4: Simplify right side
    2,311.14x = 3,741,991.41
  5. Step 5: Solve for x
    x = 3,741,991.41/2,311.14
  6. Step 6: Final answer
    x = 1,619.11

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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.