Home / 3,166.90-4,749.30-1,086.52

Finding the Fourth Proportional to 3,166.90, 4,749.30 and 1,086.52

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Solution

The fourth proportional to 3,166.90, 4,749.30 and 1,086.52 is: 1,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.90 : 4,749.30 = 1,086.52 : x
  2. Step 2: Convert to fraction form
    3,166.90/4,749.30 = 1,086.52/x
  3. Step 3: Cross multiply
    3,166.90x = 4,749.30 × 1,086.52
  4. Step 4: Simplify right side
    3,166.90x = 5,160,209.44
  5. Step 5: Solve for x
    x = 5,160,209.44/3,166.90
  6. Step 6: Final answer
    x = 1,629.42

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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.