Home / 3,080.28-4,249.34-2,239.43

Finding the Fourth Proportional to 3,080.28, 4,249.34 and 2,239.43

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Solution

The fourth proportional to 3,080.28, 4,249.34 and 2,239.43 is: 3,089.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.28 : 4,249.34 = 2,239.43 : x
  2. Step 2: Convert to fraction form
    3,080.28/4,249.34 = 2,239.43/x
  3. Step 3: Cross multiply
    3,080.28x = 4,249.34 × 2,239.43
  4. Step 4: Simplify right side
    3,080.28x = 9,516,067.03
  5. Step 5: Solve for x
    x = 9,516,067.03/3,080.28
  6. Step 6: Final answer
    x = 3,089.35

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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.