Home / 1,824.58-2,517.78-1,078.48

Finding the Fourth Proportional to 1,824.58, 2,517.78 and 1,078.48

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Solution

The fourth proportional to 1,824.58, 2,517.78 and 1,078.48 is: 1,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.58 : 2,517.78 = 1,078.48 : x
  2. Step 2: Convert to fraction form
    1,824.58/2,517.78 = 1,078.48/x
  3. Step 3: Cross multiply
    1,824.58x = 2,517.78 × 1,078.48
  4. Step 4: Simplify right side
    1,824.58x = 2,715,375.37
  5. Step 5: Solve for x
    x = 2,715,375.37/1,824.58
  6. Step 6: Final answer
    x = 1,488.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.