Home / 3,743.52-5,616.96-2,645.28

Finding the Fourth Proportional to 3,743.52, 5,616.96 and 2,645.28

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Solution

The fourth proportional to 3,743.52, 5,616.96 and 2,645.28 is: 3,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.52 : 5,616.96 = 2,645.28 : x
  2. Step 2: Convert to fraction form
    3,743.52/5,616.96 = 2,645.28/x
  3. Step 3: Cross multiply
    3,743.52x = 5,616.96 × 2,645.28
  4. Step 4: Simplify right side
    3,743.52x = 14,858,431.95
  5. Step 5: Solve for x
    x = 14,858,431.95/3,743.52
  6. Step 6: Final answer
    x = 3,969.11

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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.