Home / 3,324.20-4,986.66-1,245.20

Finding the Fourth Proportional to 3,324.20, 4,986.66 and 1,245.20

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Solution

The fourth proportional to 3,324.20, 4,986.66 and 1,245.20 is: 1,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.20 : 4,986.66 = 1,245.20 : x
  2. Step 2: Convert to fraction form
    3,324.20/4,986.66 = 1,245.20/x
  3. Step 3: Cross multiply
    3,324.20x = 4,986.66 × 1,245.20
  4. Step 4: Simplify right side
    3,324.20x = 6,209,389.03
  5. Step 5: Solve for x
    x = 6,209,389.03/3,324.20
  6. Step 6: Final answer
    x = 1,867.93

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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.