Home / 2,723.86-4,081.24-2,621.38

Finding the Fourth Proportional to 2,723.86, 4,081.24 and 2,621.38

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Solution

The fourth proportional to 2,723.86, 4,081.24 and 2,621.38 is: 3,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.86 : 4,081.24 = 2,621.38 : x
  2. Step 2: Convert to fraction form
    2,723.86/4,081.24 = 2,621.38/x
  3. Step 3: Cross multiply
    2,723.86x = 4,081.24 × 2,621.38
  4. Step 4: Simplify right side
    2,723.86x = 10,698,480.91
  5. Step 5: Solve for x
    x = 10,698,480.91/2,723.86
  6. Step 6: Final answer
    x = 3,927.69

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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.