Home / 2,986.37-4,481.36-1,039.94

Finding the Fourth Proportional to 2,986.37, 4,481.36 and 1,039.94

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Solution

The fourth proportional to 2,986.37, 4,481.36 and 1,039.94 is: 1,560.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.37 : 4,481.36 = 1,039.94 : x
  2. Step 2: Convert to fraction form
    2,986.37/4,481.36 = 1,039.94/x
  3. Step 3: Cross multiply
    2,986.37x = 4,481.36 × 1,039.94
  4. Step 4: Simplify right side
    2,986.37x = 4,660,351.52
  5. Step 5: Solve for x
    x = 4,660,351.52/2,986.37
  6. Step 6: Final answer
    x = 1,560.54

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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.