Home / 3,179.06-4,769.27-1,329.22

Finding the Fourth Proportional to 3,179.06, 4,769.27 and 1,329.22

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Solution

The fourth proportional to 3,179.06, 4,769.27 and 1,329.22 is: 1,994.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.06 : 4,769.27 = 1,329.22 : x
  2. Step 2: Convert to fraction form
    3,179.06/4,769.27 = 1,329.22/x
  3. Step 3: Cross multiply
    3,179.06x = 4,769.27 × 1,329.22
  4. Step 4: Simplify right side
    3,179.06x = 6,339,413.37
  5. Step 5: Solve for x
    x = 6,339,413.37/3,179.06
  6. Step 6: Final answer
    x = 1,994.12

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1.5x scale

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.