Home / 3,086.72-4,627.44-1,138.52

Finding the Fourth Proportional to 3,086.72, 4,627.44 and 1,138.52

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Solution

The fourth proportional to 3,086.72, 4,627.44 and 1,138.52 is: 1,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.72 : 4,627.44 = 1,138.52 : x
  2. Step 2: Convert to fraction form
    3,086.72/4,627.44 = 1,138.52/x
  3. Step 3: Cross multiply
    3,086.72x = 4,627.44 × 1,138.52
  4. Step 4: Simplify right side
    3,086.72x = 5,268,432.99
  5. Step 5: Solve for x
    x = 5,268,432.99/3,086.72
  6. Step 6: Final answer
    x = 1,706.81

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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.