Home / 3,086.39-4,629.87-1,006.31

Finding the Fourth Proportional to 3,086.39, 4,629.87 and 1,006.31

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Solution

The fourth proportional to 3,086.39, 4,629.87 and 1,006.31 is: 1,509.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.39 : 4,629.87 = 1,006.31 : x
  2. Step 2: Convert to fraction form
    3,086.39/4,629.87 = 1,006.31/x
  3. Step 3: Cross multiply
    3,086.39x = 4,629.87 × 1,006.31
  4. Step 4: Simplify right side
    3,086.39x = 4,659,084.48
  5. Step 5: Solve for x
    x = 4,659,084.48/3,086.39
  6. Step 6: Final answer
    x = 1,509.56

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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.