Home / 2,739.66-4,109.85-1,441.20

Finding the Fourth Proportional to 2,739.66, 4,109.85 and 1,441.20

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Solution

The fourth proportional to 2,739.66, 4,109.85 and 1,441.20 is: 2,161.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.66 : 4,109.85 = 1,441.20 : x
  2. Step 2: Convert to fraction form
    2,739.66/4,109.85 = 1,441.20/x
  3. Step 3: Cross multiply
    2,739.66x = 4,109.85 × 1,441.20
  4. Step 4: Simplify right side
    2,739.66x = 5,923,115.82
  5. Step 5: Solve for x
    x = 5,923,115.82/2,739.66
  6. Step 6: Final answer
    x = 2,161.99

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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.