Home / 2,614.77-3,919.32-1,227.24

Finding the Fourth Proportional to 2,614.77, 3,919.32 and 1,227.24

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Solution

The fourth proportional to 2,614.77, 3,919.32 and 1,227.24 is: 1,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.77 : 3,919.32 = 1,227.24 : x
  2. Step 2: Convert to fraction form
    2,614.77/3,919.32 = 1,227.24/x
  3. Step 3: Cross multiply
    2,614.77x = 3,919.32 × 1,227.24
  4. Step 4: Simplify right side
    2,614.77x = 4,809,946.28
  5. Step 5: Solve for x
    x = 4,809,946.28/2,614.77
  6. Step 6: Final answer
    x = 1,839.53

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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.