Home / 3,688.28-5,523.30-2,748.97

Finding the Fourth Proportional to 3,688.28, 5,523.30 and 2,748.97

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Solution

The fourth proportional to 3,688.28, 5,523.30 and 2,748.97 is: 4,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.28 : 5,523.30 = 2,748.97 : x
  2. Step 2: Convert to fraction form
    3,688.28/5,523.30 = 2,748.97/x
  3. Step 3: Cross multiply
    3,688.28x = 5,523.30 × 2,748.97
  4. Step 4: Simplify right side
    3,688.28x = 15,183,372.19
  5. Step 5: Solve for x
    x = 15,183,372.19/3,688.28
  6. Step 6: Final answer
    x = 4,116.66

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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.