Home / 3,174.75-4,764.29-1,909.35

Finding the Fourth Proportional to 3,174.75, 4,764.29 and 1,909.35

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Solution

The fourth proportional to 3,174.75, 4,764.29 and 1,909.35 is: 2,865.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.75 : 4,764.29 = 1,909.35 : x
  2. Step 2: Convert to fraction form
    3,174.75/4,764.29 = 1,909.35/x
  3. Step 3: Cross multiply
    3,174.75x = 4,764.29 × 1,909.35
  4. Step 4: Simplify right side
    3,174.75x = 9,096,687.56
  5. Step 5: Solve for x
    x = 9,096,687.56/3,174.75
  6. Step 6: Final answer
    x = 2,865.32

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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.