Home / 3,268.85-4,903.78-1,189.38

Finding the Fourth Proportional to 3,268.85, 4,903.78 and 1,189.38

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Solution

The fourth proportional to 3,268.85, 4,903.78 and 1,189.38 is: 1,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.85 : 4,903.78 = 1,189.38 : x
  2. Step 2: Convert to fraction form
    3,268.85/4,903.78 = 1,189.38/x
  3. Step 3: Cross multiply
    3,268.85x = 4,903.78 × 1,189.38
  4. Step 4: Simplify right side
    3,268.85x = 5,832,457.86
  5. Step 5: Solve for x
    x = 5,832,457.86/3,268.85
  6. Step 6: Final answer
    x = 1,784.25

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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.