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Finding the Fourth Proportional to 2,679.39, 3,694.23 and 1,733.58

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Solution

The fourth proportional to 2,679.39, 3,694.23 and 1,733.58 is: 2,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.39 : 3,694.23 = 1,733.58 : x
  2. Step 2: Convert to fraction form
    2,679.39/3,694.23 = 1,733.58/x
  3. Step 3: Cross multiply
    2,679.39x = 3,694.23 × 1,733.58
  4. Step 4: Simplify right side
    2,679.39x = 6,404,243.24
  5. Step 5: Solve for x
    x = 6,404,243.24/2,679.39
  6. Step 6: Final answer
    x = 2,390.19

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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.