Home / 2,791.09-4,182.67-2,054.89

Finding the Fourth Proportional to 2,791.09, 4,182.67 and 2,054.89

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Solution

The fourth proportional to 2,791.09, 4,182.67 and 2,054.89 is: 3,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.09 : 4,182.67 = 2,054.89 : x
  2. Step 2: Convert to fraction form
    2,791.09/4,182.67 = 2,054.89/x
  3. Step 3: Cross multiply
    2,791.09x = 4,182.67 × 2,054.89
  4. Step 4: Simplify right side
    2,791.09x = 8,594,926.76
  5. Step 5: Solve for x
    x = 8,594,926.76/2,791.09
  6. Step 6: Final answer
    x = 3,079.42

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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.