Home / 3,166.26-4,749.04-1,086.20

Finding the Fourth Proportional to 3,166.26, 4,749.04 and 1,086.20

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Solution

The fourth proportional to 3,166.26, 4,749.04 and 1,086.20 is: 1,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.26 : 4,749.04 = 1,086.20 : x
  2. Step 2: Convert to fraction form
    3,166.26/4,749.04 = 1,086.20/x
  3. Step 3: Cross multiply
    3,166.26x = 4,749.04 × 1,086.20
  4. Step 4: Simplify right side
    3,166.26x = 5,158,407.25
  5. Step 5: Solve for x
    x = 5,158,407.25/3,166.26
  6. Step 6: Final answer
    x = 1,629.18

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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.