Home / 3,930.96-5,907.24-3,674.10

Finding the Fourth Proportional to 3,930.96, 5,907.24 and 3,674.10

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Solution

The fourth proportional to 3,930.96, 5,907.24 and 3,674.10 is: 5,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.96 : 5,907.24 = 3,674.10 : x
  2. Step 2: Convert to fraction form
    3,930.96/5,907.24 = 3,674.10/x
  3. Step 3: Cross multiply
    3,930.96x = 5,907.24 × 3,674.10
  4. Step 4: Simplify right side
    3,930.96x = 21,703,790.48
  5. Step 5: Solve for x
    x = 21,703,790.48/3,930.96
  6. Step 6: Final answer
    x = 5,521.24

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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.