Home / 2,788.44-4,184.04-1,971.96

Finding the Fourth Proportional to 2,788.44, 4,184.04 and 1,971.96

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Solution

The fourth proportional to 2,788.44, 4,184.04 and 1,971.96 is: 2,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.44 : 4,184.04 = 1,971.96 : x
  2. Step 2: Convert to fraction form
    2,788.44/4,184.04 = 1,971.96/x
  3. Step 3: Cross multiply
    2,788.44x = 4,184.04 × 1,971.96
  4. Step 4: Simplify right side
    2,788.44x = 8,250,759.52
  5. Step 5: Solve for x
    x = 8,250,759.52/2,788.44
  6. Step 6: Final answer
    x = 2,958.92

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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.