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Finding the Fourth Proportional to 2,796.08, 4,194.38 and 847.94

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Solution

The fourth proportional to 2,796.08, 4,194.38 and 847.94 is: 1,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.08 : 4,194.38 = 847.94 : x
  2. Step 2: Convert to fraction form
    2,796.08/4,194.38 = 847.94/x
  3. Step 3: Cross multiply
    2,796.08x = 4,194.38 × 847.94
  4. Step 4: Simplify right side
    2,796.08x = 3,556,582.58
  5. Step 5: Solve for x
    x = 3,556,582.58/2,796.08
  6. Step 6: Final answer
    x = 1,271.99

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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.