Home / 2,998.15-4,137.43-1,671.97

Finding the Fourth Proportional to 2,998.15, 4,137.43 and 1,671.97

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Solution

The fourth proportional to 2,998.15, 4,137.43 and 1,671.97 is: 2,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.15 : 4,137.43 = 1,671.97 : x
  2. Step 2: Convert to fraction form
    2,998.15/4,137.43 = 1,671.97/x
  3. Step 3: Cross multiply
    2,998.15x = 4,137.43 × 1,671.97
  4. Step 4: Simplify right side
    2,998.15x = 6,917,658.84
  5. Step 5: Solve for x
    x = 6,917,658.84/2,998.15
  6. Step 6: Final answer
    x = 2,307.31

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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.