Home / 3,579.69-4,940.48-2,163.52

Finding the Fourth Proportional to 3,579.69, 4,940.48 and 2,163.52

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Solution

The fourth proportional to 3,579.69, 4,940.48 and 2,163.52 is: 2,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.69 : 4,940.48 = 2,163.52 : x
  2. Step 2: Convert to fraction form
    3,579.69/4,940.48 = 2,163.52/x
  3. Step 3: Cross multiply
    3,579.69x = 4,940.48 × 2,163.52
  4. Step 4: Simplify right side
    3,579.69x = 10,688,827.29
  5. Step 5: Solve for x
    x = 10,688,827.29/3,579.69
  6. Step 6: Final answer
    x = 2,985.96

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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.