Home / 2,799.16-3,861.48-2,173.84

Finding the Fourth Proportional to 2,799.16, 3,861.48 and 2,173.84

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Solution

The fourth proportional to 2,799.16, 3,861.48 and 2,173.84 is: 2,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.16 : 3,861.48 = 2,173.84 : x
  2. Step 2: Convert to fraction form
    2,799.16/3,861.48 = 2,173.84/x
  3. Step 3: Cross multiply
    2,799.16x = 3,861.48 × 2,173.84
  4. Step 4: Simplify right side
    2,799.16x = 8,394,239.68
  5. Step 5: Solve for x
    x = 8,394,239.68/2,799.16
  6. Step 6: Final answer
    x = 2,998.84

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Why These Related Problems?

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