Home / 4,190.60-6,285.72-1,997.96

Finding the Fourth Proportional to 4,190.60, 6,285.72 and 1,997.96

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Solution

The fourth proportional to 4,190.60, 6,285.72 and 1,997.96 is: 2,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.60 : 6,285.72 = 1,997.96 : x
  2. Step 2: Convert to fraction form
    4,190.60/6,285.72 = 1,997.96/x
  3. Step 3: Cross multiply
    4,190.60x = 6,285.72 × 1,997.96
  4. Step 4: Simplify right side
    4,190.60x = 12,558,617.13
  5. Step 5: Solve for x
    x = 12,558,617.13/4,190.60
  6. Step 6: Final answer
    x = 2,996.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.