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Finding the Fourth Proportional to 3,340, 5,009.92 and 1,150.24

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Solution

The fourth proportional to 3,340, 5,009.92 and 1,150.24 is: 1,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340 : 5,009.92 = 1,150.24 : x
  2. Step 2: Convert to fraction form
    3,340/5,009.92 = 1,150.24/x
  3. Step 3: Cross multiply
    3,340x = 5,009.92 × 1,150.24
  4. Step 4: Simplify right side
    3,340x = 5,762,610.38
  5. Step 5: Solve for x
    x = 5,762,610.38/3,340
  6. Step 6: Final answer
    x = 1,725.33

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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.