Home / 2,788.83-3,846.45-2,042.52

Finding the Fourth Proportional to 2,788.83, 3,846.45 and 2,042.52

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Solution

The fourth proportional to 2,788.83, 3,846.45 and 2,042.52 is: 2,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.83 : 3,846.45 = 2,042.52 : x
  2. Step 2: Convert to fraction form
    2,788.83/3,846.45 = 2,042.52/x
  3. Step 3: Cross multiply
    2,788.83x = 3,846.45 × 2,042.52
  4. Step 4: Simplify right side
    2,788.83x = 7,856,451.05
  5. Step 5: Solve for x
    x = 7,856,451.05/2,788.83
  6. Step 6: Final answer
    x = 2,817.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.