Home / 3,819-5,269.20-2,306.19

Finding the Fourth Proportional to 3,819, 5,269.20 and 2,306.19

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Solution

The fourth proportional to 3,819, 5,269.20 and 2,306.19 is: 3,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819 : 5,269.20 = 2,306.19 : x
  2. Step 2: Convert to fraction form
    3,819/5,269.20 = 2,306.19/x
  3. Step 3: Cross multiply
    3,819x = 5,269.20 × 2,306.19
  4. Step 4: Simplify right side
    3,819x = 12,151,776.35
  5. Step 5: Solve for x
    x = 12,151,776.35/3,819
  6. Step 6: Final answer
    x = 3,181.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.