Home / 3,230.34-4,845.48-1,379.88

Finding the Fourth Proportional to 3,230.34, 4,845.48 and 1,379.88

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Solution

The fourth proportional to 3,230.34, 4,845.48 and 1,379.88 is: 2,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.34 : 4,845.48 = 1,379.88 : x
  2. Step 2: Convert to fraction form
    3,230.34/4,845.48 = 1,379.88/x
  3. Step 3: Cross multiply
    3,230.34x = 4,845.48 × 1,379.88
  4. Step 4: Simplify right side
    3,230.34x = 6,686,180.94
  5. Step 5: Solve for x
    x = 6,686,180.94/3,230.34
  6. Step 6: Final answer
    x = 2,069.81

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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.