Home / 2,928.66-4,040.88-1,749.50

Finding the Fourth Proportional to 2,928.66, 4,040.88 and 1,749.50

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Solution

The fourth proportional to 2,928.66, 4,040.88 and 1,749.50 is: 2,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.66 : 4,040.88 = 1,749.50 : x
  2. Step 2: Convert to fraction form
    2,928.66/4,040.88 = 1,749.50/x
  3. Step 3: Cross multiply
    2,928.66x = 4,040.88 × 1,749.50
  4. Step 4: Simplify right side
    2,928.66x = 7,069,519.56
  5. Step 5: Solve for x
    x = 7,069,519.56/2,928.66
  6. Step 6: Final answer
    x = 2,413.91

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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.