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Finding the Fourth Proportional to 3,662.43, 5,489.02 and 1,580.34

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Solution

The fourth proportional to 3,662.43, 5,489.02 and 1,580.34 is: 2,368.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.43 : 5,489.02 = 1,580.34 : x
  2. Step 2: Convert to fraction form
    3,662.43/5,489.02 = 1,580.34/x
  3. Step 3: Cross multiply
    3,662.43x = 5,489.02 × 1,580.34
  4. Step 4: Simplify right side
    3,662.43x = 8,674,513.92
  5. Step 5: Solve for x
    x = 8,674,513.92/3,662.43
  6. Step 6: Final answer
    x = 2,368.51

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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.