Home / 3,743.92-5,168.70-2,628.28

Finding the Fourth Proportional to 3,743.92, 5,168.70 and 2,628.28

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Solution

The fourth proportional to 3,743.92, 5,168.70 and 2,628.28 is: 3,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.92 : 5,168.70 = 2,628.28 : x
  2. Step 2: Convert to fraction form
    3,743.92/5,168.70 = 2,628.28/x
  3. Step 3: Cross multiply
    3,743.92x = 5,168.70 × 2,628.28
  4. Step 4: Simplify right side
    3,743.92x = 13,584,790.84
  5. Step 5: Solve for x
    x = 13,584,790.84/3,743.92
  6. Step 6: Final answer
    x = 3,628.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.