Home / 2,808.83-4,215.33-2,080.37

Finding the Fourth Proportional to 2,808.83, 4,215.33 and 2,080.37

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Solution

The fourth proportional to 2,808.83, 4,215.33 and 2,080.37 is: 3,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.83 : 4,215.33 = 2,080.37 : x
  2. Step 2: Convert to fraction form
    2,808.83/4,215.33 = 2,080.37/x
  3. Step 3: Cross multiply
    2,808.83x = 4,215.33 × 2,080.37
  4. Step 4: Simplify right side
    2,808.83x = 8,769,425.00
  5. Step 5: Solve for x
    x = 8,769,425.00/2,808.83
  6. Step 6: Final answer
    x = 3,122.10

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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.