Home / 2,259.07-3,388.49-942.28

Finding the Fourth Proportional to 2,259.07, 3,388.49 and 942.28

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Solution

The fourth proportional to 2,259.07, 3,388.49 and 942.28 is: 1,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.07 : 3,388.49 = 942.28 : x
  2. Step 2: Convert to fraction form
    2,259.07/3,388.49 = 942.28/x
  3. Step 3: Cross multiply
    2,259.07x = 3,388.49 × 942.28
  4. Step 4: Simplify right side
    2,259.07x = 3,192,889.41
  5. Step 5: Solve for x
    x = 3,192,889.41/2,259.07
  6. Step 6: Final answer
    x = 1,413.37

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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.