Home / 3,579.92-4,940.35-2,163.41

Finding the Fourth Proportional to 3,579.92, 4,940.35 and 2,163.41

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Solution

The fourth proportional to 3,579.92, 4,940.35 and 2,163.41 is: 2,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.92 : 4,940.35 = 2,163.41 : x
  2. Step 2: Convert to fraction form
    3,579.92/4,940.35 = 2,163.41/x
  3. Step 3: Cross multiply
    3,579.92x = 4,940.35 × 2,163.41
  4. Step 4: Simplify right side
    3,579.92x = 10,688,002.59
  5. Step 5: Solve for x
    x = 10,688,002.59/3,579.92
  6. Step 6: Final answer
    x = 2,985.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.