Home / 2,911.69-4,369.65-2,183.23

Finding the Fourth Proportional to 2,911.69, 4,369.65 and 2,183.23

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Solution

The fourth proportional to 2,911.69, 4,369.65 and 2,183.23 is: 3,276.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.69 : 4,369.65 = 2,183.23 : x
  2. Step 2: Convert to fraction form
    2,911.69/4,369.65 = 2,183.23/x
  3. Step 3: Cross multiply
    2,911.69x = 4,369.65 × 2,183.23
  4. Step 4: Simplify right side
    2,911.69x = 9,539,950.97
  5. Step 5: Solve for x
    x = 9,539,950.97/2,911.69
  6. Step 6: Final answer
    x = 3,276.43

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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.