Home / 3,163.09-4,364.72-1,836.53

Finding the Fourth Proportional to 3,163.09, 4,364.72 and 1,836.53

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Solution

The fourth proportional to 3,163.09, 4,364.72 and 1,836.53 is: 2,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.09 : 4,364.72 = 1,836.53 : x
  2. Step 2: Convert to fraction form
    3,163.09/4,364.72 = 1,836.53/x
  3. Step 3: Cross multiply
    3,163.09x = 4,364.72 × 1,836.53
  4. Step 4: Simplify right side
    3,163.09x = 8,015,939.22
  5. Step 5: Solve for x
    x = 8,015,939.22/3,163.09
  6. Step 6: Final answer
    x = 2,534.22

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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.