Home / 2,704.25-4,051.28-2,155.82

Finding the Fourth Proportional to 2,704.25, 4,051.28 and 2,155.82

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Solution

The fourth proportional to 2,704.25, 4,051.28 and 2,155.82 is: 3,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.25 : 4,051.28 = 2,155.82 : x
  2. Step 2: Convert to fraction form
    2,704.25/4,051.28 = 2,155.82/x
  3. Step 3: Cross multiply
    2,704.25x = 4,051.28 × 2,155.82
  4. Step 4: Simplify right side
    2,704.25x = 8,733,815.58
  5. Step 5: Solve for x
    x = 8,733,815.58/2,704.25
  6. Step 6: Final answer
    x = 3,229.66

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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.