Home / 2,131.74-3,202.27-1,519.38

Finding the Fourth Proportional to 2,131.74, 3,202.27 and 1,519.38

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Solution

The fourth proportional to 2,131.74, 3,202.27 and 1,519.38 is: 2,282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131.74 : 3,202.27 = 1,519.38 : x
  2. Step 2: Convert to fraction form
    2,131.74/3,202.27 = 1,519.38/x
  3. Step 3: Cross multiply
    2,131.74x = 3,202.27 × 1,519.38
  4. Step 4: Simplify right side
    2,131.74x = 4,865,464.99
  5. Step 5: Solve for x
    x = 4,865,464.99/2,131.74
  6. Step 6: Final answer
    x = 2,282.39

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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.