Home / 3,279.42-4,917.53-1,087.41

Finding the Fourth Proportional to 3,279.42, 4,917.53 and 1,087.41

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Solution

The fourth proportional to 3,279.42, 4,917.53 and 1,087.41 is: 1,630.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.42 : 4,917.53 = 1,087.41 : x
  2. Step 2: Convert to fraction form
    3,279.42/4,917.53 = 1,087.41/x
  3. Step 3: Cross multiply
    3,279.42x = 4,917.53 × 1,087.41
  4. Step 4: Simplify right side
    3,279.42x = 5,347,365.86
  5. Step 5: Solve for x
    x = 5,347,365.86/3,279.42
  6. Step 6: Final answer
    x = 1,630.58

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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.