Home / 3,080.58-4,249.71-1,960.26

Finding the Fourth Proportional to 3,080.58, 4,249.71 and 1,960.26

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Solution

The fourth proportional to 3,080.58, 4,249.71 and 1,960.26 is: 2,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.58 : 4,249.71 = 1,960.26 : x
  2. Step 2: Convert to fraction form
    3,080.58/4,249.71 = 1,960.26/x
  3. Step 3: Cross multiply
    3,080.58x = 4,249.71 × 1,960.26
  4. Step 4: Simplify right side
    3,080.58x = 8,330,536.52
  5. Step 5: Solve for x
    x = 8,330,536.52/3,080.58
  6. Step 6: Final answer
    x = 2,704.21

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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.