Home / 2,997.89-4,137.04-1,671.56

Finding the Fourth Proportional to 2,997.89, 4,137.04 and 1,671.56

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Solution

The fourth proportional to 2,997.89, 4,137.04 and 1,671.56 is: 2,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.89 : 4,137.04 = 1,671.56 : x
  2. Step 2: Convert to fraction form
    2,997.89/4,137.04 = 1,671.56/x
  3. Step 3: Cross multiply
    2,997.89x = 4,137.04 × 1,671.56
  4. Step 4: Simplify right side
    2,997.89x = 6,915,316.75
  5. Step 5: Solve for x
    x = 6,915,316.75/2,997.89
  6. Step 6: Final answer
    x = 2,306.73

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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.