Home / 2,519.88-3,783.06-2,137.56

Finding the Fourth Proportional to 2,519.88, 3,783.06 and 2,137.56

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Solution

The fourth proportional to 2,519.88, 3,783.06 and 2,137.56 is: 3,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.88 : 3,783.06 = 2,137.56 : x
  2. Step 2: Convert to fraction form
    2,519.88/3,783.06 = 2,137.56/x
  3. Step 3: Cross multiply
    2,519.88x = 3,783.06 × 2,137.56
  4. Step 4: Simplify right side
    2,519.88x = 8,086,517.73
  5. Step 5: Solve for x
    x = 8,086,517.73/2,519.88
  6. Step 6: Final answer
    x = 3,209.09

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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.