Home / 2,949.70-4,426.08-1,963.23

Finding the Fourth Proportional to 2,949.70, 4,426.08 and 1,963.23

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Solution

The fourth proportional to 2,949.70, 4,426.08 and 1,963.23 is: 2,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.70 : 4,426.08 = 1,963.23 : x
  2. Step 2: Convert to fraction form
    2,949.70/4,426.08 = 1,963.23/x
  3. Step 3: Cross multiply
    2,949.70x = 4,426.08 × 1,963.23
  4. Step 4: Simplify right side
    2,949.70x = 8,689,413.04
  5. Step 5: Solve for x
    x = 8,689,413.04/2,949.70
  6. Step 6: Final answer
    x = 2,945.86

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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.