Home / 3,418.66-4,718.04-1,926.50

Finding the Fourth Proportional to 3,418.66, 4,718.04 and 1,926.50

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Solution

The fourth proportional to 3,418.66, 4,718.04 and 1,926.50 is: 2,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.66 : 4,718.04 = 1,926.50 : x
  2. Step 2: Convert to fraction form
    3,418.66/4,718.04 = 1,926.50/x
  3. Step 3: Cross multiply
    3,418.66x = 4,718.04 × 1,926.50
  4. Step 4: Simplify right side
    3,418.66x = 9,089,304.06
  5. Step 5: Solve for x
    x = 9,089,304.06/3,418.66
  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.