Home / 3,919.56-5,877.51-2,276.61

Finding the Fourth Proportional to 3,919.56, 5,877.51 and 2,276.61

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Solution

The fourth proportional to 3,919.56, 5,877.51 and 2,276.61 is: 3,413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.56 : 5,877.51 = 2,276.61 : x
  2. Step 2: Convert to fraction form
    3,919.56/5,877.51 = 2,276.61/x
  3. Step 3: Cross multiply
    3,919.56x = 5,877.51 × 2,276.61
  4. Step 4: Simplify right side
    3,919.56x = 13,380,798.04
  5. Step 5: Solve for x
    x = 13,380,798.04/3,919.56
  6. Step 6: Final answer
    x = 3,413.85

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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.