Home / 1,927.82-2,891.75-1,519.14

Finding the Fourth Proportional to 1,927.82, 2,891.75 and 1,519.14

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Solution

The fourth proportional to 1,927.82, 2,891.75 and 1,519.14 is: 2,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.82 : 2,891.75 = 1,519.14 : x
  2. Step 2: Convert to fraction form
    1,927.82/2,891.75 = 1,519.14/x
  3. Step 3: Cross multiply
    1,927.82x = 2,891.75 × 1,519.14
  4. Step 4: Simplify right side
    1,927.82x = 4,392,973.10
  5. Step 5: Solve for x
    x = 4,392,973.10/1,927.82
  6. Step 6: Final answer
    x = 2,278.73

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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.