Home / 2,997.98-4,137.20-1,671.62

Finding the Fourth Proportional to 2,997.98, 4,137.20 and 1,671.62

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Solution

The fourth proportional to 2,997.98, 4,137.20 and 1,671.62 is: 2,306.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.98 : 4,137.20 = 1,671.62 : x
  2. Step 2: Convert to fraction form
    2,997.98/4,137.20 = 1,671.62/x
  3. Step 3: Cross multiply
    2,997.98x = 4,137.20 × 1,671.62
  4. Step 4: Simplify right side
    2,997.98x = 6,915,826.26
  5. Step 5: Solve for x
    x = 6,915,826.26/2,997.98
  6. Step 6: Final answer
    x = 2,306.83

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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.