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Finding the Fourth Proportional to 2,994.76, 4,132.79 and 1,815.54

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Solution

The fourth proportional to 2,994.76, 4,132.79 and 1,815.54 is: 2,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.76 : 4,132.79 = 1,815.54 : x
  2. Step 2: Convert to fraction form
    2,994.76/4,132.79 = 1,815.54/x
  3. Step 3: Cross multiply
    2,994.76x = 4,132.79 × 1,815.54
  4. Step 4: Simplify right side
    2,994.76x = 7,503,245.56
  5. Step 5: Solve for x
    x = 7,503,245.56/2,994.76
  6. Step 6: Final answer
    x = 2,505.46

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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.