Home / 3,971.62-5,930.69-3,242.62

Finding the Fourth Proportional to 3,971.62, 5,930.69 and 3,242.62

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Solution

The fourth proportional to 3,971.62, 5,930.69 and 3,242.62 is: 4,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.62 : 5,930.69 = 3,242.62 : x
  2. Step 2: Convert to fraction form
    3,971.62/5,930.69 = 3,242.62/x
  3. Step 3: Cross multiply
    3,971.62x = 5,930.69 × 3,242.62
  4. Step 4: Simplify right side
    3,971.62x = 19,230,974.01
  5. Step 5: Solve for x
    x = 19,230,974.01/3,971.62
  6. Step 6: Final answer
    x = 4,842.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.