Home / 3,921.24-5,882.94-3,491.40

Finding the Fourth Proportional to 3,921.24, 5,882.94 and 3,491.40

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Solution

The fourth proportional to 3,921.24, 5,882.94 and 3,491.40 is: 5,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.24 : 5,882.94 = 3,491.40 : x
  2. Step 2: Convert to fraction form
    3,921.24/5,882.94 = 3,491.40/x
  3. Step 3: Cross multiply
    3,921.24x = 5,882.94 × 3,491.40
  4. Step 4: Simplify right side
    3,921.24x = 20,539,696.72
  5. Step 5: Solve for x
    x = 20,539,696.72/3,921.24
  6. Step 6: Final answer
    x = 5,238.06

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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.