Home / 2,828.48-4,234.50-1,729.49

Finding the Fourth Proportional to 2,828.48, 4,234.50 and 1,729.49

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Solution

The fourth proportional to 2,828.48, 4,234.50 and 1,729.49 is: 2,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.48 : 4,234.50 = 1,729.49 : x
  2. Step 2: Convert to fraction form
    2,828.48/4,234.50 = 1,729.49/x
  3. Step 3: Cross multiply
    2,828.48x = 4,234.50 × 1,729.49
  4. Step 4: Simplify right side
    2,828.48x = 7,323,504.23
  5. Step 5: Solve for x
    x = 7,323,504.23/2,828.48
  6. Step 6: Final answer
    x = 2,589.21

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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.