Home / 2,943.61-4,413.89-1,553.45

Finding the Fourth Proportional to 2,943.61, 4,413.89 and 1,553.45

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Solution

The fourth proportional to 2,943.61, 4,413.89 and 1,553.45 is: 2,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.61 : 4,413.89 = 1,553.45 : x
  2. Step 2: Convert to fraction form
    2,943.61/4,413.89 = 1,553.45/x
  3. Step 3: Cross multiply
    2,943.61x = 4,413.89 × 1,553.45
  4. Step 4: Simplify right side
    2,943.61x = 6,856,739.23
  5. Step 5: Solve for x
    x = 6,856,739.23/2,943.61
  6. Step 6: Final answer
    x = 2,329.37

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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.