Home / 3,080.27-4,249.99-1,821.26

Finding the Fourth Proportional to 3,080.27, 4,249.99 and 1,821.26

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Solution

The fourth proportional to 3,080.27, 4,249.99 and 1,821.26 is: 2,512.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.27 : 4,249.99 = 1,821.26 : x
  2. Step 2: Convert to fraction form
    3,080.27/4,249.99 = 1,821.26/x
  3. Step 3: Cross multiply
    3,080.27x = 4,249.99 × 1,821.26
  4. Step 4: Simplify right side
    3,080.27x = 7,740,336.79
  5. Step 5: Solve for x
    x = 7,740,336.79/3,080.27
  6. Step 6: Final answer
    x = 2,512.88

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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.