Home / 3,694.68-5,540.40-1,384.56

Finding the Fourth Proportional to 3,694.68, 5,540.40 and 1,384.56

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Solution

The fourth proportional to 3,694.68, 5,540.40 and 1,384.56 is: 2,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.68 : 5,540.40 = 1,384.56 : x
  2. Step 2: Convert to fraction form
    3,694.68/5,540.40 = 1,384.56/x
  3. Step 3: Cross multiply
    3,694.68x = 5,540.40 × 1,384.56
  4. Step 4: Simplify right side
    3,694.68x = 7,671,016.22
  5. Step 5: Solve for x
    x = 7,671,016.22/3,694.68
  6. Step 6: Final answer
    x = 2,076.23

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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.