Home / 2,572.26-3,858.56-1,273.38

Finding the Fourth Proportional to 2,572.26, 3,858.56 and 1,273.38

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Solution

The fourth proportional to 2,572.26, 3,858.56 and 1,273.38 is: 1,910.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.26 : 3,858.56 = 1,273.38 : x
  2. Step 2: Convert to fraction form
    2,572.26/3,858.56 = 1,273.38/x
  3. Step 3: Cross multiply
    2,572.26x = 3,858.56 × 1,273.38
  4. Step 4: Simplify right side
    2,572.26x = 4,913,413.13
  5. Step 5: Solve for x
    x = 4,913,413.13/2,572.26
  6. Step 6: Final answer
    x = 1,910.15

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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.