Home / 2,114.22-2,891.73-2,080.20

Finding the Fourth Proportional to 2,114.22, 2,891.73 and 2,080.20

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Solution

The fourth proportional to 2,114.22, 2,891.73 and 2,080.20 is: 2,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.22 : 2,891.73 = 2,080.20 : x
  2. Step 2: Convert to fraction form
    2,114.22/2,891.73 = 2,080.20/x
  3. Step 3: Cross multiply
    2,114.22x = 2,891.73 × 2,080.20
  4. Step 4: Simplify right side
    2,114.22x = 6,015,376.75
  5. Step 5: Solve for x
    x = 6,015,376.75/2,114.22
  6. Step 6: Final answer
    x = 2,845.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.