Home / 3,747.98-5,171.36-2,175.77

Finding the Fourth Proportional to 3,747.98, 5,171.36 and 2,175.77

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Solution

The fourth proportional to 3,747.98, 5,171.36 and 2,175.77 is: 3,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.98 : 5,171.36 = 2,175.77 : x
  2. Step 2: Convert to fraction form
    3,747.98/5,171.36 = 2,175.77/x
  3. Step 3: Cross multiply
    3,747.98x = 5,171.36 × 2,175.77
  4. Step 4: Simplify right side
    3,747.98x = 11,251,653.21
  5. Step 5: Solve for x
    x = 11,251,653.21/3,747.98
  6. Step 6: Final answer
    x = 3,002.06

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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.