Home / 3,957.10-5,932.20-1,491.28

Finding the Fourth Proportional to 3,957.10, 5,932.20 and 1,491.28

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Solution

The fourth proportional to 3,957.10, 5,932.20 and 1,491.28 is: 2,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.10 : 5,932.20 = 1,491.28 : x
  2. Step 2: Convert to fraction form
    3,957.10/5,932.20 = 1,491.28/x
  3. Step 3: Cross multiply
    3,957.10x = 5,932.20 × 1,491.28
  4. Step 4: Simplify right side
    3,957.10x = 8,846,571.22
  5. Step 5: Solve for x
    x = 8,846,571.22/3,957.10
  6. Step 6: Final answer
    x = 2,235.62

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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.