Home / 3,413.49-5,120.50-1,191.94

Finding the Fourth Proportional to 3,413.49, 5,120.50 and 1,191.94

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Solution

The fourth proportional to 3,413.49, 5,120.50 and 1,191.94 is: 1,788.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.49 : 5,120.50 = 1,191.94 : x
  2. Step 2: Convert to fraction form
    3,413.49/5,120.50 = 1,191.94/x
  3. Step 3: Cross multiply
    3,413.49x = 5,120.50 × 1,191.94
  4. Step 4: Simplify right side
    3,413.49x = 6,103,328.77
  5. Step 5: Solve for x
    x = 6,103,328.77/3,413.49
  6. Step 6: Final answer
    x = 1,788.00

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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.