Home / 2,234.72-3,083.92-1,239.99

Finding the Fourth Proportional to 2,234.72, 3,083.92 and 1,239.99

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Solution

The fourth proportional to 2,234.72, 3,083.92 and 1,239.99 is: 1,711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.72 : 3,083.92 = 1,239.99 : x
  2. Step 2: Convert to fraction form
    2,234.72/3,083.92 = 1,239.99/x
  3. Step 3: Cross multiply
    2,234.72x = 3,083.92 × 1,239.99
  4. Step 4: Simplify right side
    2,234.72x = 3,824,029.96
  5. Step 5: Solve for x
    x = 3,824,029.96/2,234.72
  6. Step 6: Final answer
    x = 1,711.19

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1.5x scale

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.