Home / 2,698.05-3,723.48-1,519.11

Finding the Fourth Proportional to 2,698.05, 3,723.48 and 1,519.11

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Solution

The fourth proportional to 2,698.05, 3,723.48 and 1,519.11 is: 2,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.05 : 3,723.48 = 1,519.11 : x
  2. Step 2: Convert to fraction form
    2,698.05/3,723.48 = 1,519.11/x
  3. Step 3: Cross multiply
    2,698.05x = 3,723.48 × 1,519.11
  4. Step 4: Simplify right side
    2,698.05x = 5,656,375.70
  5. Step 5: Solve for x
    x = 5,656,375.70/2,698.05
  6. Step 6: Final answer
    x = 2,096.47

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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.