Home / 2,234.46-3,083.36-1,289.82

Finding the Fourth Proportional to 2,234.46, 3,083.36 and 1,289.82

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Solution

The fourth proportional to 2,234.46, 3,083.36 and 1,289.82 is: 1,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.46 : 3,083.36 = 1,289.82 : x
  2. Step 2: Convert to fraction form
    2,234.46/3,083.36 = 1,289.82/x
  3. Step 3: Cross multiply
    2,234.46x = 3,083.36 × 1,289.82
  4. Step 4: Simplify right side
    2,234.46x = 3,976,979.40
  5. Step 5: Solve for x
    x = 3,976,979.40/2,234.46
  6. Step 6: Final answer
    x = 1,779.84

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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.