Home / 2,828.98-4,234.58-1,785.37

Finding the Fourth Proportional to 2,828.98, 4,234.58 and 1,785.37

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Solution

The fourth proportional to 2,828.98, 4,234.58 and 1,785.37 is: 2,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.98 : 4,234.58 = 1,785.37 : x
  2. Step 2: Convert to fraction form
    2,828.98/4,234.58 = 1,785.37/x
  3. Step 3: Cross multiply
    2,828.98x = 4,234.58 × 1,785.37
  4. Step 4: Simplify right side
    2,828.98x = 7,560,275.31
  5. Step 5: Solve for x
    x = 7,560,275.31/2,828.98
  6. Step 6: Final answer
    x = 2,672.44

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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.