Home / 3,745.31-5,170.73-3,330.09

Finding the Fourth Proportional to 3,745.31, 5,170.73 and 3,330.09

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Solution

The fourth proportional to 3,745.31, 5,170.73 and 3,330.09 is: 4,597.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.31 : 5,170.73 = 3,330.09 : x
  2. Step 2: Convert to fraction form
    3,745.31/5,170.73 = 3,330.09/x
  3. Step 3: Cross multiply
    3,745.31x = 5,170.73 × 3,330.09
  4. Step 4: Simplify right side
    3,745.31x = 17,218,979.62
  5. Step 5: Solve for x
    x = 17,218,979.62/3,745.31
  6. Step 6: Final answer
    x = 4,597.48

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1.5x scale

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.