Home / 3,552.28-5,329.32-1,243.72

Finding the Fourth Proportional to 3,552.28, 5,329.32 and 1,243.72

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Solution

The fourth proportional to 3,552.28, 5,329.32 and 1,243.72 is: 1,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.28 : 5,329.32 = 1,243.72 : x
  2. Step 2: Convert to fraction form
    3,552.28/5,329.32 = 1,243.72/x
  3. Step 3: Cross multiply
    3,552.28x = 5,329.32 × 1,243.72
  4. Step 4: Simplify right side
    3,552.28x = 6,628,181.87
  5. Step 5: Solve for x
    x = 6,628,181.87/3,552.28
  6. Step 6: Final answer
    x = 1,865.90

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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.