Home / 2,251.39-3,090.39-1,997.16

Finding the Fourth Proportional to 2,251.39, 3,090.39 and 1,997.16

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Solution

The fourth proportional to 2,251.39, 3,090.39 and 1,997.16 is: 2,741.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.39 : 3,090.39 = 1,997.16 : x
  2. Step 2: Convert to fraction form
    2,251.39/3,090.39 = 1,997.16/x
  3. Step 3: Cross multiply
    2,251.39x = 3,090.39 × 1,997.16
  4. Step 4: Simplify right side
    2,251.39x = 6,172,003.29
  5. Step 5: Solve for x
    x = 6,172,003.29/2,251.39
  6. Step 6: Final answer
    x = 2,741.42

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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.