Home / 3,201.11-4,800.86-1,008.71

Finding the Fourth Proportional to 3,201.11, 4,800.86 and 1,008.71

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Solution

The fourth proportional to 3,201.11, 4,800.86 and 1,008.71 is: 1,512.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.11 : 4,800.86 = 1,008.71 : x
  2. Step 2: Convert to fraction form
    3,201.11/4,800.86 = 1,008.71/x
  3. Step 3: Cross multiply
    3,201.11x = 4,800.86 × 1,008.71
  4. Step 4: Simplify right side
    3,201.11x = 4,842,670.45
  5. Step 5: Solve for x
    x = 4,842,670.45/3,201.11
  6. Step 6: Final answer
    x = 1,512.81

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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.