Home / 1,694.61-2,540.39-1,076.58

Finding the Fourth Proportional to 1,694.61, 2,540.39 and 1,076.58

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Solution

The fourth proportional to 1,694.61, 2,540.39 and 1,076.58 is: 1,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.61 : 2,540.39 = 1,076.58 : x
  2. Step 2: Convert to fraction form
    1,694.61/2,540.39 = 1,076.58/x
  3. Step 3: Cross multiply
    1,694.61x = 2,540.39 × 1,076.58
  4. Step 4: Simplify right side
    1,694.61x = 2,734,927.68
  5. Step 5: Solve for x
    x = 2,734,927.68/1,694.61
  6. Step 6: Final answer
    x = 1,613.90

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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.