Home / 3,825.96-5,736.32-1,326.50

Finding the Fourth Proportional to 3,825.96, 5,736.32 and 1,326.50

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Solution

The fourth proportional to 3,825.96, 5,736.32 and 1,326.50 is: 1,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.96 : 5,736.32 = 1,326.50 : x
  2. Step 2: Convert to fraction form
    3,825.96/5,736.32 = 1,326.50/x
  3. Step 3: Cross multiply
    3,825.96x = 5,736.32 × 1,326.50
  4. Step 4: Simplify right side
    3,825.96x = 7,609,228.48
  5. Step 5: Solve for x
    x = 7,609,228.48/3,825.96
  6. Step 6: Final answer
    x = 1,988.84

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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.