Home / 2,759.55-4,140.99-1,199.54

Finding the Fourth Proportional to 2,759.55, 4,140.99 and 1,199.54

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Solution

The fourth proportional to 2,759.55, 4,140.99 and 1,199.54 is: 1,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.55 : 4,140.99 = 1,199.54 : x
  2. Step 2: Convert to fraction form
    2,759.55/4,140.99 = 1,199.54/x
  3. Step 3: Cross multiply
    2,759.55x = 4,140.99 × 1,199.54
  4. Step 4: Simplify right side
    2,759.55x = 4,967,262.44
  5. Step 5: Solve for x
    x = 4,967,262.44/2,759.55
  6. Step 6: Final answer
    x = 1,800.03

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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.