Home / 3,723.77-5,137.85-2,230.64

Finding the Fourth Proportional to 3,723.77, 5,137.85 and 2,230.64

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Solution

The fourth proportional to 3,723.77, 5,137.85 and 2,230.64 is: 3,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.77 : 5,137.85 = 2,230.64 : x
  2. Step 2: Convert to fraction form
    3,723.77/5,137.85 = 2,230.64/x
  3. Step 3: Cross multiply
    3,723.77x = 5,137.85 × 2,230.64
  4. Step 4: Simplify right side
    3,723.77x = 11,460,656.88
  5. Step 5: Solve for x
    x = 11,460,656.88/3,723.77
  6. Step 6: Final answer
    x = 3,077.71

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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.