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Finding the Fourth Proportional to 2,996.60, 4,494.69 and 2,793.69

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Solution

The fourth proportional to 2,996.60, 4,494.69 and 2,793.69 is: 4,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.60 : 4,494.69 = 2,793.69 : x
  2. Step 2: Convert to fraction form
    2,996.60/4,494.69 = 2,793.69/x
  3. Step 3: Cross multiply
    2,996.60x = 4,494.69 × 2,793.69
  4. Step 4: Simplify right side
    2,996.60x = 12,556,770.51
  5. Step 5: Solve for x
    x = 12,556,770.51/2,996.60
  6. Step 6: Final answer
    x = 4,190.35

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1.5x scale

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.