Home / 3,091.11-4,636.82-900.02

Finding the Fourth Proportional to 3,091.11, 4,636.82 and 900.02

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Solution

The fourth proportional to 3,091.11, 4,636.82 and 900.02 is: 1,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.11 : 4,636.82 = 900.02 : x
  2. Step 2: Convert to fraction form
    3,091.11/4,636.82 = 900.02/x
  3. Step 3: Cross multiply
    3,091.11x = 4,636.82 × 900.02
  4. Step 4: Simplify right side
    3,091.11x = 4,173,203.05
  5. Step 5: Solve for x
    x = 4,173,203.05/3,091.11
  6. Step 6: Final answer
    x = 1,350.07

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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.