Home / 3,080.40-4,249.17-2,194.26

Finding the Fourth Proportional to 3,080.40, 4,249.17 and 2,194.26

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Solution

The fourth proportional to 3,080.40, 4,249.17 and 2,194.26 is: 3,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.40 : 4,249.17 = 2,194.26 : x
  2. Step 2: Convert to fraction form
    3,080.40/4,249.17 = 2,194.26/x
  3. Step 3: Cross multiply
    3,080.40x = 4,249.17 × 2,194.26
  4. Step 4: Simplify right side
    3,080.40x = 9,323,783.76
  5. Step 5: Solve for x
    x = 9,323,783.76/3,080.40
  6. Step 6: Final answer
    x = 3,026.81

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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.