Home / 3,972.92-5,961.26-1,782.28

Finding the Fourth Proportional to 3,972.92, 5,961.26 and 1,782.28

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Solution

The fourth proportional to 3,972.92, 5,961.26 and 1,782.28 is: 2,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.92 : 5,961.26 = 1,782.28 : x
  2. Step 2: Convert to fraction form
    3,972.92/5,961.26 = 1,782.28/x
  3. Step 3: Cross multiply
    3,972.92x = 5,961.26 × 1,782.28
  4. Step 4: Simplify right side
    3,972.92x = 10,624,634.47
  5. Step 5: Solve for x
    x = 10,624,634.47/3,972.92
  6. Step 6: Final answer
    x = 2,674.26

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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.