Home / 2,579.44-3,863.99-1,190.89

Finding the Fourth Proportional to 2,579.44, 3,863.99 and 1,190.89

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Solution

The fourth proportional to 2,579.44, 3,863.99 and 1,190.89 is: 1,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.44 : 3,863.99 = 1,190.89 : x
  2. Step 2: Convert to fraction form
    2,579.44/3,863.99 = 1,190.89/x
  3. Step 3: Cross multiply
    2,579.44x = 3,863.99 × 1,190.89
  4. Step 4: Simplify right side
    2,579.44x = 4,601,581.10
  5. Step 5: Solve for x
    x = 4,601,581.10/2,579.44
  6. Step 6: Final answer
    x = 1,783.95

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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.