Home / 3,957.10-5,936.36-1,324.35

Finding the Fourth Proportional to 3,957.10, 5,936.36 and 1,324.35

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Solution

The fourth proportional to 3,957.10, 5,936.36 and 1,324.35 is: 1,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.10 : 5,936.36 = 1,324.35 : x
  2. Step 2: Convert to fraction form
    3,957.10/5,936.36 = 1,324.35/x
  3. Step 3: Cross multiply
    3,957.10x = 5,936.36 × 1,324.35
  4. Step 4: Simplify right side
    3,957.10x = 7,861,818.37
  5. Step 5: Solve for x
    x = 7,861,818.37/3,957.10
  6. Step 6: Final answer
    x = 1,986.76

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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.