Home / 3,174.08-4,759.56-1,324.64

Finding the Fourth Proportional to 3,174.08, 4,759.56 and 1,324.64

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Solution

The fourth proportional to 3,174.08, 4,759.56 and 1,324.64 is: 1,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.08 : 4,759.56 = 1,324.64 : x
  2. Step 2: Convert to fraction form
    3,174.08/4,759.56 = 1,324.64/x
  3. Step 3: Cross multiply
    3,174.08x = 4,759.56 × 1,324.64
  4. Step 4: Simplify right side
    3,174.08x = 6,304,703.56
  5. Step 5: Solve for x
    x = 6,304,703.56/3,174.08
  6. Step 6: Final answer
    x = 1,986.31

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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.