Home / 3,688.43-5,523.87-2,020.07

Finding the Fourth Proportional to 3,688.43, 5,523.87 and 2,020.07

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Solution

The fourth proportional to 3,688.43, 5,523.87 and 2,020.07 is: 3,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.43 : 5,523.87 = 2,020.07 : x
  2. Step 2: Convert to fraction form
    3,688.43/5,523.87 = 2,020.07/x
  3. Step 3: Cross multiply
    3,688.43x = 5,523.87 × 2,020.07
  4. Step 4: Simplify right side
    3,688.43x = 11,158,604.07
  5. Step 5: Solve for x
    x = 11,158,604.07/3,688.43
  6. Step 6: Final answer
    x = 3,025.30

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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.