Home / 2,276.76-3,413.62-1,838.55

Finding the Fourth Proportional to 2,276.76, 3,413.62 and 1,838.55

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Solution

The fourth proportional to 2,276.76, 3,413.62 and 1,838.55 is: 2,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.76 : 3,413.62 = 1,838.55 : x
  2. Step 2: Convert to fraction form
    2,276.76/3,413.62 = 1,838.55/x
  3. Step 3: Cross multiply
    2,276.76x = 3,413.62 × 1,838.55
  4. Step 4: Simplify right side
    2,276.76x = 6,276,111.05
  5. Step 5: Solve for x
    x = 6,276,111.05/2,276.76
  6. Step 6: Final answer
    x = 2,756.60

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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.