Home / 2,943.25-4,413.70-1,298.63

Finding the Fourth Proportional to 2,943.25, 4,413.70 and 1,298.63

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Solution

The fourth proportional to 2,943.25, 4,413.70 and 1,298.63 is: 1,947.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.25 : 4,413.70 = 1,298.63 : x
  2. Step 2: Convert to fraction form
    2,943.25/4,413.70 = 1,298.63/x
  3. Step 3: Cross multiply
    2,943.25x = 4,413.70 × 1,298.63
  4. Step 4: Simplify right side
    2,943.25x = 5,731,737.92
  5. Step 5: Solve for x
    x = 5,731,737.92/2,943.25
  6. Step 6: Final answer
    x = 1,947.42

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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.