Home / 1,824.39-2,734.86-1,378.97

Finding the Fourth Proportional to 1,824.39, 2,734.86 and 1,378.97

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Solution

The fourth proportional to 1,824.39, 2,734.86 and 1,378.97 is: 2,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.39 : 2,734.86 = 1,378.97 : x
  2. Step 2: Convert to fraction form
    1,824.39/2,734.86 = 1,378.97/x
  3. Step 3: Cross multiply
    1,824.39x = 2,734.86 × 1,378.97
  4. Step 4: Simplify right side
    1,824.39x = 3,771,291.65
  5. Step 5: Solve for x
    x = 3,771,291.65/1,824.39
  6. Step 6: Final answer
    x = 2,067.15

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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.