Home / 2,674.44-4,008.99-1,287.38

Finding the Fourth Proportional to 2,674.44, 4,008.99 and 1,287.38

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Solution

The fourth proportional to 2,674.44, 4,008.99 and 1,287.38 is: 1,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.44 : 4,008.99 = 1,287.38 : x
  2. Step 2: Convert to fraction form
    2,674.44/4,008.99 = 1,287.38/x
  3. Step 3: Cross multiply
    2,674.44x = 4,008.99 × 1,287.38
  4. Step 4: Simplify right side
    2,674.44x = 5,161,093.55
  5. Step 5: Solve for x
    x = 5,161,093.55/2,674.44
  6. Step 6: Final answer
    x = 1,929.78

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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.