Home / 2,618.82-3,924.66-1,447.08

Finding the Fourth Proportional to 2,618.82, 3,924.66 and 1,447.08

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Solution

The fourth proportional to 2,618.82, 3,924.66 and 1,447.08 is: 2,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.82 : 3,924.66 = 1,447.08 : x
  2. Step 2: Convert to fraction form
    2,618.82/3,924.66 = 1,447.08/x
  3. Step 3: Cross multiply
    2,618.82x = 3,924.66 × 1,447.08
  4. Step 4: Simplify right side
    2,618.82x = 5,679,296.99
  5. Step 5: Solve for x
    x = 5,679,296.99/2,618.82
  6. Step 6: Final answer
    x = 2,168.65

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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.