Home / 2,871.54-4,308.66-1,228.32

Finding the Fourth Proportional to 2,871.54, 4,308.66 and 1,228.32

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Solution

The fourth proportional to 2,871.54, 4,308.66 and 1,228.32 is: 1,843.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.54 : 4,308.66 = 1,228.32 : x
  2. Step 2: Convert to fraction form
    2,871.54/4,308.66 = 1,228.32/x
  3. Step 3: Cross multiply
    2,871.54x = 4,308.66 × 1,228.32
  4. Step 4: Simplify right side
    2,871.54x = 5,292,413.25
  5. Step 5: Solve for x
    x = 5,292,413.25/2,871.54
  6. Step 6: Final answer
    x = 1,843.06

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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.