Home / 3,612.42-5,419.67-1,764.60

Finding the Fourth Proportional to 3,612.42, 5,419.67 and 1,764.60

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Solution

The fourth proportional to 3,612.42, 5,419.67 and 1,764.60 is: 2,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.42 : 5,419.67 = 1,764.60 : x
  2. Step 2: Convert to fraction form
    3,612.42/5,419.67 = 1,764.60/x
  3. Step 3: Cross multiply
    3,612.42x = 5,419.67 × 1,764.60
  4. Step 4: Simplify right side
    3,612.42x = 9,563,540.86
  5. Step 5: Solve for x
    x = 9,563,540.86/3,612.42
  6. Step 6: Final answer
    x = 2,647.41

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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.