Home / 3,188.11-4,783.02-1,338.25

Finding the Fourth Proportional to 3,188.11, 4,783.02 and 1,338.25

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Solution

The fourth proportional to 3,188.11, 4,783.02 and 1,338.25 is: 2,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.11 : 4,783.02 = 1,338.25 : x
  2. Step 2: Convert to fraction form
    3,188.11/4,783.02 = 1,338.25/x
  3. Step 3: Cross multiply
    3,188.11x = 4,783.02 × 1,338.25
  4. Step 4: Simplify right side
    3,188.11x = 6,400,876.52
  5. Step 5: Solve for x
    x = 6,400,876.52/3,188.11
  6. Step 6: Final answer
    x = 2,007.73

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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.