Home / 3,418.34-4,717.91-1,926.61

Finding the Fourth Proportional to 3,418.34, 4,717.91 and 1,926.61

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Solution

The fourth proportional to 3,418.34, 4,717.91 and 1,926.61 is: 2,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.34 : 4,717.91 = 1,926.61 : x
  2. Step 2: Convert to fraction form
    3,418.34/4,717.91 = 1,926.61/x
  3. Step 3: Cross multiply
    3,418.34x = 4,717.91 × 1,926.61
  4. Step 4: Simplify right side
    3,418.34x = 9,089,565.61
  5. Step 5: Solve for x
    x = 9,089,565.61/3,418.34
  6. Step 6: Final answer
    x = 2,659.06

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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.