Home / 3,228.48-4,830.49-1,912.94

Finding the Fourth Proportional to 3,228.48, 4,830.49 and 1,912.94

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Solution

The fourth proportional to 3,228.48, 4,830.49 and 1,912.94 is: 2,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.48 : 4,830.49 = 1,912.94 : x
  2. Step 2: Convert to fraction form
    3,228.48/4,830.49 = 1,912.94/x
  3. Step 3: Cross multiply
    3,228.48x = 4,830.49 × 1,912.94
  4. Step 4: Simplify right side
    3,228.48x = 9,240,413.39
  5. Step 5: Solve for x
    x = 9,240,413.39/3,228.48
  6. Step 6: Final answer
    x = 2,862.16

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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.