Home / 2,234.55-3,083.70-1,239.86

Finding the Fourth Proportional to 2,234.55, 3,083.70 and 1,239.86

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Solution

The fourth proportional to 2,234.55, 3,083.70 and 1,239.86 is: 1,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.55 : 3,083.70 = 1,239.86 : x
  2. Step 2: Convert to fraction form
    2,234.55/3,083.70 = 1,239.86/x
  3. Step 3: Cross multiply
    2,234.55x = 3,083.70 × 1,239.86
  4. Step 4: Simplify right side
    2,234.55x = 3,823,340.86
  5. Step 5: Solve for x
    x = 3,823,340.86/2,234.55
  6. Step 6: Final answer
    x = 1,711.01

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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.