Home / 3,747.86-5,171.97-2,069.32

Finding the Fourth Proportional to 3,747.86, 5,171.97 and 2,069.32

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Solution

The fourth proportional to 3,747.86, 5,171.97 and 2,069.32 is: 2,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.86 : 5,171.97 = 2,069.32 : x
  2. Step 2: Convert to fraction form
    3,747.86/5,171.97 = 2,069.32/x
  3. Step 3: Cross multiply
    3,747.86x = 5,171.97 × 2,069.32
  4. Step 4: Simplify right side
    3,747.86x = 10,702,435.10
  5. Step 5: Solve for x
    x = 10,702,435.10/3,747.86
  6. Step 6: Final answer
    x = 2,855.62

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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.