Home / 3,698.52-5,540.46-2,775.12

Finding the Fourth Proportional to 3,698.52, 5,540.46 and 2,775.12

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Solution

The fourth proportional to 3,698.52, 5,540.46 and 2,775.12 is: 4,157.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.52 : 5,540.46 = 2,775.12 : x
  2. Step 2: Convert to fraction form
    3,698.52/5,540.46 = 2,775.12/x
  3. Step 3: Cross multiply
    3,698.52x = 5,540.46 × 2,775.12
  4. Step 4: Simplify right side
    3,698.52x = 15,375,441.36
  5. Step 5: Solve for x
    x = 15,375,441.36/3,698.52
  6. Step 6: Final answer
    x = 4,157.19

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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.