Home / 2,677.39-3,694.18-1,682.31

Finding the Fourth Proportional to 2,677.39, 3,694.18 and 1,682.31

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Solution

The fourth proportional to 2,677.39, 3,694.18 and 1,682.31 is: 2,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.39 : 3,694.18 = 1,682.31 : x
  2. Step 2: Convert to fraction form
    2,677.39/3,694.18 = 1,682.31/x
  3. Step 3: Cross multiply
    2,677.39x = 3,694.18 × 1,682.31
  4. Step 4: Simplify right side
    2,677.39x = 6,214,755.96
  5. Step 5: Solve for x
    x = 6,214,755.96/2,677.39
  6. Step 6: Final answer
    x = 2,321.20

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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.