Home / 2,676.94-3,694.18-1,557.90

Finding the Fourth Proportional to 2,676.94, 3,694.18 and 1,557.90

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Solution

The fourth proportional to 2,676.94, 3,694.18 and 1,557.90 is: 2,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.94 : 3,694.18 = 1,557.90 : x
  2. Step 2: Convert to fraction form
    2,676.94/3,694.18 = 1,557.90/x
  3. Step 3: Cross multiply
    2,676.94x = 3,694.18 × 1,557.90
  4. Step 4: Simplify right side
    2,676.94x = 5,755,163.02
  5. Step 5: Solve for x
    x = 5,755,163.02/2,676.94
  6. Step 6: Final answer
    x = 2,149.90

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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.