Home / 2,821.17-4,234.49-1,361.35

Finding the Fourth Proportional to 2,821.17, 4,234.49 and 1,361.35

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Solution

The fourth proportional to 2,821.17, 4,234.49 and 1,361.35 is: 2,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.17 : 4,234.49 = 1,361.35 : x
  2. Step 2: Convert to fraction form
    2,821.17/4,234.49 = 1,361.35/x
  3. Step 3: Cross multiply
    2,821.17x = 4,234.49 × 1,361.35
  4. Step 4: Simplify right side
    2,821.17x = 5,764,615.78
  5. Step 5: Solve for x
    x = 5,764,615.78/2,821.17
  6. Step 6: Final answer
    x = 2,043.34

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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.