Home / 3,289.24-4,923.54-1,823.68

Finding the Fourth Proportional to 3,289.24, 4,923.54 and 1,823.68

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Solution

The fourth proportional to 3,289.24, 4,923.54 and 1,823.68 is: 2,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.24 : 4,923.54 = 1,823.68 : x
  2. Step 2: Convert to fraction form
    3,289.24/4,923.54 = 1,823.68/x
  3. Step 3: Cross multiply
    3,289.24x = 4,923.54 × 1,823.68
  4. Step 4: Simplify right side
    3,289.24x = 8,978,961.43
  5. Step 5: Solve for x
    x = 8,978,961.43/3,289.24
  6. Step 6: Final answer
    x = 2,729.80

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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.