Home / 3,080.80-4,623.59-2,150.31

Finding the Fourth Proportional to 3,080.80, 4,623.59 and 2,150.31

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Solution

The fourth proportional to 3,080.80, 4,623.59 and 2,150.31 is: 3,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.80 : 4,623.59 = 2,150.31 : x
  2. Step 2: Convert to fraction form
    3,080.80/4,623.59 = 2,150.31/x
  3. Step 3: Cross multiply
    3,080.80x = 4,623.59 × 2,150.31
  4. Step 4: Simplify right side
    3,080.80x = 9,942,137.57
  5. Step 5: Solve for x
    x = 9,942,137.57/3,080.80
  6. Step 6: Final answer
    x = 3,227.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.