Home / 2,612.43-3,917.49-1,224.64

Finding the Fourth Proportional to 2,612.43, 3,917.49 and 1,224.64

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Solution

The fourth proportional to 2,612.43, 3,917.49 and 1,224.64 is: 1,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.43 : 3,917.49 = 1,224.64 : x
  2. Step 2: Convert to fraction form
    2,612.43/3,917.49 = 1,224.64/x
  3. Step 3: Cross multiply
    2,612.43x = 3,917.49 × 1,224.64
  4. Step 4: Simplify right side
    2,612.43x = 4,797,515.26
  5. Step 5: Solve for x
    x = 4,797,515.26/2,612.43
  6. Step 6: Final answer
    x = 1,836.42

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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.