Home / 2,028.07-3,042.10-489.07

Finding the Fourth Proportional to 2,028.07, 3,042.10 and 489.07

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Solution

The fourth proportional to 2,028.07, 3,042.10 and 489.07 is: 733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.07 : 3,042.10 = 489.07 : x
  2. Step 2: Convert to fraction form
    2,028.07/3,042.10 = 489.07/x
  3. Step 3: Cross multiply
    2,028.07x = 3,042.10 × 489.07
  4. Step 4: Simplify right side
    2,028.07x = 1,487,791.02
  5. Step 5: Solve for x
    x = 1,487,791.02/2,028.07
  6. Step 6: Final answer
    x = 733.60

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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.