Home / 2,730.72-3,769.92-1,736.64

Finding the Fourth Proportional to 2,730.72, 3,769.92 and 1,736.64

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Solution

The fourth proportional to 2,730.72, 3,769.92 and 1,736.64 is: 2,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.72 : 3,769.92 = 1,736.64 : x
  2. Step 2: Convert to fraction form
    2,730.72/3,769.92 = 1,736.64/x
  3. Step 3: Cross multiply
    2,730.72x = 3,769.92 × 1,736.64
  4. Step 4: Simplify right side
    2,730.72x = 6,546,993.87
  5. Step 5: Solve for x
    x = 6,546,993.87/2,730.72
  6. Step 6: Final answer
    x = 2,397.53

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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.