Home / 3,418.63-4,717.80-1,926.61

Finding the Fourth Proportional to 3,418.63, 4,717.80 and 1,926.61

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Solution

The fourth proportional to 3,418.63, 4,717.80 and 1,926.61 is: 2,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.63 : 4,717.80 = 1,926.61 : x
  2. Step 2: Convert to fraction form
    3,418.63/4,717.80 = 1,926.61/x
  3. Step 3: Cross multiply
    3,418.63x = 4,717.80 × 1,926.61
  4. Step 4: Simplify right side
    3,418.63x = 9,089,348.86
  5. Step 5: Solve for x
    x = 9,089,348.86/3,418.63
  6. Step 6: Final answer
    x = 2,658.77

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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.