Home / 2,739.66-4,110.33-1,178.91

Finding the Fourth Proportional to 2,739.66, 4,110.33 and 1,178.91

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Solution

The fourth proportional to 2,739.66, 4,110.33 and 1,178.91 is: 1,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.66 : 4,110.33 = 1,178.91 : x
  2. Step 2: Convert to fraction form
    2,739.66/4,110.33 = 1,178.91/x
  3. Step 3: Cross multiply
    2,739.66x = 4,110.33 × 1,178.91
  4. Step 4: Simplify right side
    2,739.66x = 4,845,709.14
  5. Step 5: Solve for x
    x = 4,845,709.14/2,739.66
  6. Step 6: Final answer
    x = 1,768.73

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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.