Home / 2,734.05-3,772.40-1,738.97

Finding the Fourth Proportional to 2,734.05, 3,772.40 and 1,738.97

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Solution

The fourth proportional to 2,734.05, 3,772.40 and 1,738.97 is: 2,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.05 : 3,772.40 = 1,738.97 : x
  2. Step 2: Convert to fraction form
    2,734.05/3,772.40 = 1,738.97/x
  3. Step 3: Cross multiply
    2,734.05x = 3,772.40 × 1,738.97
  4. Step 4: Simplify right side
    2,734.05x = 6,560,090.43
  5. Step 5: Solve for x
    x = 6,560,090.43/2,734.05
  6. Step 6: Final answer
    x = 2,399.40

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1.5x scale

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.