Home / 3,579.33-4,938.29-2,163.45

Finding the Fourth Proportional to 3,579.33, 4,938.29 and 2,163.45

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Solution

The fourth proportional to 3,579.33, 4,938.29 and 2,163.45 is: 2,984.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.33 : 4,938.29 = 2,163.45 : x
  2. Step 2: Convert to fraction form
    3,579.33/4,938.29 = 2,163.45/x
  3. Step 3: Cross multiply
    3,579.33x = 4,938.29 × 2,163.45
  4. Step 4: Simplify right side
    3,579.33x = 10,683,732.68
  5. Step 5: Solve for x
    x = 10,683,732.68/3,579.33
  6. Step 6: Final answer
    x = 2,984.84

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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.