Home / 3,907.05-5,857.82-1,441.20

Finding the Fourth Proportional to 3,907.05, 5,857.82 and 1,441.20

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Solution

The fourth proportional to 3,907.05, 5,857.82 and 1,441.20 is: 2,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.05 : 5,857.82 = 1,441.20 : x
  2. Step 2: Convert to fraction form
    3,907.05/5,857.82 = 1,441.20/x
  3. Step 3: Cross multiply
    3,907.05x = 5,857.82 × 1,441.20
  4. Step 4: Simplify right side
    3,907.05x = 8,442,290.18
  5. Step 5: Solve for x
    x = 8,442,290.18/3,907.05
  6. Step 6: Final answer
    x = 2,160.78

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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.