Home / 3,788.88-5,688.96-3,272.96

Finding the Fourth Proportional to 3,788.88, 5,688.96 and 3,272.96

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Solution

The fourth proportional to 3,788.88, 5,688.96 and 3,272.96 is: 4,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.88 : 5,688.96 = 3,272.96 : x
  2. Step 2: Convert to fraction form
    3,788.88/5,688.96 = 3,272.96/x
  3. Step 3: Cross multiply
    3,788.88x = 5,688.96 × 3,272.96
  4. Step 4: Simplify right side
    3,788.88x = 18,619,738.52
  5. Step 5: Solve for x
    x = 18,619,738.52/3,788.88
  6. Step 6: Final answer
    x = 4,914.31

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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.