Home / 2,824.68-4,238.50-2,008.20

Finding the Fourth Proportional to 2,824.68, 4,238.50 and 2,008.20

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Solution

The fourth proportional to 2,824.68, 4,238.50 and 2,008.20 is: 3,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.68 : 4,238.50 = 2,008.20 : x
  2. Step 2: Convert to fraction form
    2,824.68/4,238.50 = 2,008.20/x
  3. Step 3: Cross multiply
    2,824.68x = 4,238.50 × 2,008.20
  4. Step 4: Simplify right side
    2,824.68x = 8,511,755.70
  5. Step 5: Solve for x
    x = 8,511,755.70/2,824.68
  6. Step 6: Final answer
    x = 3,013.35

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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.