Home / 3,836.34-5,744.25-2,190.62

Finding the Fourth Proportional to 3,836.34, 5,744.25 and 2,190.62

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Solution

The fourth proportional to 3,836.34, 5,744.25 and 2,190.62 is: 3,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.34 : 5,744.25 = 2,190.62 : x
  2. Step 2: Convert to fraction form
    3,836.34/5,744.25 = 2,190.62/x
  3. Step 3: Cross multiply
    3,836.34x = 5,744.25 × 2,190.62
  4. Step 4: Simplify right side
    3,836.34x = 12,583,483.30
  5. Step 5: Solve for x
    x = 12,583,483.30/3,836.34
  6. Step 6: Final answer
    x = 3,280.08

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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.