Home / 3,191.16-4,788.36-2,269.38

Finding the Fourth Proportional to 3,191.16, 4,788.36 and 2,269.38

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Solution

The fourth proportional to 3,191.16, 4,788.36 and 2,269.38 is: 3,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.16 : 4,788.36 = 2,269.38 : x
  2. Step 2: Convert to fraction form
    3,191.16/4,788.36 = 2,269.38/x
  3. Step 3: Cross multiply
    3,191.16x = 4,788.36 × 2,269.38
  4. Step 4: Simplify right side
    3,191.16x = 10,866,608.42
  5. Step 5: Solve for x
    x = 10,866,608.42/3,191.16
  6. Step 6: Final answer
    x = 3,405.22

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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.