Home / 2,808.10-4,203.83-2,080.94

Finding the Fourth Proportional to 2,808.10, 4,203.83 and 2,080.94

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Solution

The fourth proportional to 2,808.10, 4,203.83 and 2,080.94 is: 3,115.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.10 : 4,203.83 = 2,080.94 : x
  2. Step 2: Convert to fraction form
    2,808.10/4,203.83 = 2,080.94/x
  3. Step 3: Cross multiply
    2,808.10x = 4,203.83 × 2,080.94
  4. Step 4: Simplify right side
    2,808.10x = 8,747,918.00
  5. Step 5: Solve for x
    x = 8,747,918.00/2,808.10
  6. Step 6: Final answer
    x = 3,115.24

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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.