Home / 2,234.45-3,083.64-1,239.77

Finding the Fourth Proportional to 2,234.45, 3,083.64 and 1,239.77

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Solution

The fourth proportional to 2,234.45, 3,083.64 and 1,239.77 is: 1,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.45 : 3,083.64 = 1,239.77 : x
  2. Step 2: Convert to fraction form
    2,234.45/3,083.64 = 1,239.77/x
  3. Step 3: Cross multiply
    2,234.45x = 3,083.64 × 1,239.77
  4. Step 4: Simplify right side
    2,234.45x = 3,823,007.42
  5. Step 5: Solve for x
    x = 3,823,007.42/2,234.45
  6. Step 6: Final answer
    x = 1,710.94

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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.