Home / 3,635.38-5,015.91-2,308.60

Finding the Fourth Proportional to 3,635.38, 5,015.91 and 2,308.60

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Solution

The fourth proportional to 3,635.38, 5,015.91 and 2,308.60 is: 3,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.38 : 5,015.91 = 2,308.60 : x
  2. Step 2: Convert to fraction form
    3,635.38/5,015.91 = 2,308.60/x
  3. Step 3: Cross multiply
    3,635.38x = 5,015.91 × 2,308.60
  4. Step 4: Simplify right side
    3,635.38x = 11,579,729.83
  5. Step 5: Solve for x
    x = 11,579,729.83/3,635.38
  6. Step 6: Final answer
    x = 3,185.29

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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.