Home / 2,519.20-3,476.82-1,929.52

Finding the Fourth Proportional to 2,519.20, 3,476.82 and 1,929.52

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Solution

The fourth proportional to 2,519.20, 3,476.82 and 1,929.52 is: 2,662.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.20 : 3,476.82 = 1,929.52 : x
  2. Step 2: Convert to fraction form
    2,519.20/3,476.82 = 1,929.52/x
  3. Step 3: Cross multiply
    2,519.20x = 3,476.82 × 1,929.52
  4. Step 4: Simplify right side
    2,519.20x = 6,708,593.73
  5. Step 5: Solve for x
    x = 6,708,593.73/2,519.20
  6. Step 6: Final answer
    x = 2,662.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.