Home / 2,928.06-4,040.82-1,748.97

Finding the Fourth Proportional to 2,928.06, 4,040.82 and 1,748.97

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Solution

The fourth proportional to 2,928.06, 4,040.82 and 1,748.97 is: 2,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.06 : 4,040.82 = 1,748.97 : x
  2. Step 2: Convert to fraction form
    2,928.06/4,040.82 = 1,748.97/x
  3. Step 3: Cross multiply
    2,928.06x = 4,040.82 × 1,748.97
  4. Step 4: Simplify right side
    2,928.06x = 7,067,272.96
  5. Step 5: Solve for x
    x = 7,067,272.96/2,928.06
  6. Step 6: Final answer
    x = 2,413.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.