Home / 3,486.69-5,229.65-1,021.54

Finding the Fourth Proportional to 3,486.69, 5,229.65 and 1,021.54

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Solution

The fourth proportional to 3,486.69, 5,229.65 and 1,021.54 is: 1,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.69 : 5,229.65 = 1,021.54 : x
  2. Step 2: Convert to fraction form
    3,486.69/5,229.65 = 1,021.54/x
  3. Step 3: Cross multiply
    3,486.69x = 5,229.65 × 1,021.54
  4. Step 4: Simplify right side
    3,486.69x = 5,342,286.14
  5. Step 5: Solve for x
    x = 5,342,286.14/3,486.69
  6. Step 6: Final answer
    x = 1,532.19

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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.