Home / 3,736.40-5,609.44-2,641.28

Finding the Fourth Proportional to 3,736.40, 5,609.44 and 2,641.28

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Solution

The fourth proportional to 3,736.40, 5,609.44 and 2,641.28 is: 3,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.40 : 5,609.44 = 2,641.28 : x
  2. Step 2: Convert to fraction form
    3,736.40/5,609.44 = 2,641.28/x
  3. Step 3: Cross multiply
    3,736.40x = 5,609.44 × 2,641.28
  4. Step 4: Simplify right side
    3,736.40x = 14,816,101.68
  5. Step 5: Solve for x
    x = 14,816,101.68/3,736.40
  6. Step 6: Final answer
    x = 3,965.34

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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.