Home / 2,193.44-3,026.83-1,249.21

Finding the Fourth Proportional to 2,193.44, 3,026.83 and 1,249.21

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Solution

The fourth proportional to 2,193.44, 3,026.83 and 1,249.21 is: 1,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.44 : 3,026.83 = 1,249.21 : x
  2. Step 2: Convert to fraction form
    2,193.44/3,026.83 = 1,249.21/x
  3. Step 3: Cross multiply
    2,193.44x = 3,026.83 × 1,249.21
  4. Step 4: Simplify right side
    2,193.44x = 3,781,146.30
  5. Step 5: Solve for x
    x = 3,781,146.30/2,193.44
  6. Step 6: Final answer
    x = 1,723.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.