Home / 2,876.56-4,318.84-1,996.96

Finding the Fourth Proportional to 2,876.56, 4,318.84 and 1,996.96

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Solution

The fourth proportional to 2,876.56, 4,318.84 and 1,996.96 is: 2,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.56 : 4,318.84 = 1,996.96 : x
  2. Step 2: Convert to fraction form
    2,876.56/4,318.84 = 1,996.96/x
  3. Step 3: Cross multiply
    2,876.56x = 4,318.84 × 1,996.96
  4. Step 4: Simplify right side
    2,876.56x = 8,624,550.73
  5. Step 5: Solve for x
    x = 8,624,550.73/2,876.56
  6. Step 6: Final answer
    x = 2,998.22

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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.