Home / 3,418.86-4,717.92-1,926.66

Finding the Fourth Proportional to 3,418.86, 4,717.92 and 1,926.66

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Solution

The fourth proportional to 3,418.86, 4,717.92 and 1,926.66 is: 2,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.86 : 4,717.92 = 1,926.66 : x
  2. Step 2: Convert to fraction form
    3,418.86/4,717.92 = 1,926.66/x
  3. Step 3: Cross multiply
    3,418.86x = 4,717.92 × 1,926.66
  4. Step 4: Simplify right side
    3,418.86x = 9,089,827.75
  5. Step 5: Solve for x
    x = 9,089,827.75/3,418.86
  6. Step 6: Final answer
    x = 2,658.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.