Home / 3,452.27-5,177.67-986.43

Finding the Fourth Proportional to 3,452.27, 5,177.67 and 986.43

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Solution

The fourth proportional to 3,452.27, 5,177.67 and 986.43 is: 1,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,452.27 : 5,177.67 = 986.43 : x
  2. Step 2: Convert to fraction form
    3,452.27/5,177.67 = 986.43/x
  3. Step 3: Cross multiply
    3,452.27x = 5,177.67 × 986.43
  4. Step 4: Simplify right side
    3,452.27x = 5,107,409.02
  5. Step 5: Solve for x
    x = 5,107,409.02/3,452.27
  6. Step 6: Final answer
    x = 1,479.44

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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.