Home / 3,694.87-5,540.68-1,384.75

Finding the Fourth Proportional to 3,694.87, 5,540.68 and 1,384.75

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Solution

The fourth proportional to 3,694.87, 5,540.68 and 1,384.75 is: 2,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.87 : 5,540.68 = 1,384.75 : x
  2. Step 2: Convert to fraction form
    3,694.87/5,540.68 = 1,384.75/x
  3. Step 3: Cross multiply
    3,694.87x = 5,540.68 × 1,384.75
  4. Step 4: Simplify right side
    3,694.87x = 7,672,456.63
  5. Step 5: Solve for x
    x = 7,672,456.63/3,694.87
  6. Step 6: Final answer
    x = 2,076.52

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1.5x scale

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.