Home / 3,163.13-4,365.12-1,765.88

Finding the Fourth Proportional to 3,163.13, 4,365.12 and 1,765.88

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Solution

The fourth proportional to 3,163.13, 4,365.12 and 1,765.88 is: 2,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.13 : 4,365.12 = 1,765.88 : x
  2. Step 2: Convert to fraction form
    3,163.13/4,365.12 = 1,765.88/x
  3. Step 3: Cross multiply
    3,163.13x = 4,365.12 × 1,765.88
  4. Step 4: Simplify right side
    3,163.13x = 7,708,256.28
  5. Step 5: Solve for x
    x = 7,708,256.28/3,163.13
  6. Step 6: Final answer
    x = 2,436.91

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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.