Home / 3,161.26-4,741.93-1,517.45

Finding the Fourth Proportional to 3,161.26, 4,741.93 and 1,517.45

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Solution

The fourth proportional to 3,161.26, 4,741.93 and 1,517.45 is: 2,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.26 : 4,741.93 = 1,517.45 : x
  2. Step 2: Convert to fraction form
    3,161.26/4,741.93 = 1,517.45/x
  3. Step 3: Cross multiply
    3,161.26x = 4,741.93 × 1,517.45
  4. Step 4: Simplify right side
    3,161.26x = 7,195,619.87
  5. Step 5: Solve for x
    x = 7,195,619.87/3,161.26
  6. Step 6: Final answer
    x = 2,276.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.