Home / 2,680.99-4,022.39-2,422.19

Finding the Fourth Proportional to 2,680.99, 4,022.39 and 2,422.19

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Solution

The fourth proportional to 2,680.99, 4,022.39 and 2,422.19 is: 3,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.99 : 4,022.39 = 2,422.19 : x
  2. Step 2: Convert to fraction form
    2,680.99/4,022.39 = 2,422.19/x
  3. Step 3: Cross multiply
    2,680.99x = 4,022.39 × 2,422.19
  4. Step 4: Simplify right side
    2,680.99x = 9,743,008.95
  5. Step 5: Solve for x
    x = 9,743,008.95/2,680.99
  6. Step 6: Final answer
    x = 3,634.11

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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.