Home / 3,174.62-4,378.08-2,726.34

Finding the Fourth Proportional to 3,174.62, 4,378.08 and 2,726.34

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Solution

The fourth proportional to 3,174.62, 4,378.08 and 2,726.34 is: 3,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.62 : 4,378.08 = 2,726.34 : x
  2. Step 2: Convert to fraction form
    3,174.62/4,378.08 = 2,726.34/x
  3. Step 3: Cross multiply
    3,174.62x = 4,378.08 × 2,726.34
  4. Step 4: Simplify right side
    3,174.62x = 11,936,134.63
  5. Step 5: Solve for x
    x = 11,936,134.63/3,174.62
  6. Step 6: Final answer
    x = 3,759.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.