Home / 3,208.96-4,811.76-1,475.68

Finding the Fourth Proportional to 3,208.96, 4,811.76 and 1,475.68

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Solution

The fourth proportional to 3,208.96, 4,811.76 and 1,475.68 is: 2,212.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.96 : 4,811.76 = 1,475.68 : x
  2. Step 2: Convert to fraction form
    3,208.96/4,811.76 = 1,475.68/x
  3. Step 3: Cross multiply
    3,208.96x = 4,811.76 × 1,475.68
  4. Step 4: Simplify right side
    3,208.96x = 7,100,618.00
  5. Step 5: Solve for x
    x = 7,100,618.00/3,208.96
  6. Step 6: Final answer
    x = 2,212.75

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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.