Home / 2,110.79-3,166.26-794.40

Finding the Fourth Proportional to 2,110.79, 3,166.26 and 794.40

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Solution

The fourth proportional to 2,110.79, 3,166.26 and 794.40 is: 1,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.79 : 3,166.26 = 794.40 : x
  2. Step 2: Convert to fraction form
    2,110.79/3,166.26 = 794.40/x
  3. Step 3: Cross multiply
    2,110.79x = 3,166.26 × 794.40
  4. Step 4: Simplify right side
    2,110.79x = 2,515,276.94
  5. Step 5: Solve for x
    x = 2,515,276.94/2,110.79
  6. Step 6: Final answer
    x = 1,191.63

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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.