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Finding the Fourth Proportional to 2,758.35, 3,809.48 and 2,694.79

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Solution

The fourth proportional to 2,758.35, 3,809.48 and 2,694.79 is: 3,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.35 : 3,809.48 = 2,694.79 : x
  2. Step 2: Convert to fraction form
    2,758.35/3,809.48 = 2,694.79/x
  3. Step 3: Cross multiply
    2,758.35x = 3,809.48 × 2,694.79
  4. Step 4: Simplify right side
    2,758.35x = 10,265,765.77
  5. Step 5: Solve for x
    x = 10,265,765.77/2,758.35
  6. Step 6: Final answer
    x = 3,721.70

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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.