Home / 2,234.26-3,083.28-1,239.51

Finding the Fourth Proportional to 2,234.26, 3,083.28 and 1,239.51

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Solution

The fourth proportional to 2,234.26, 3,083.28 and 1,239.51 is: 1,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234.26 : 3,083.28 = 1,239.51 : x
  2. Step 2: Convert to fraction form
    2,234.26/3,083.28 = 1,239.51/x
  3. Step 3: Cross multiply
    2,234.26x = 3,083.28 × 1,239.51
  4. Step 4: Simplify right side
    2,234.26x = 3,821,756.39
  5. Step 5: Solve for x
    x = 3,821,756.39/2,234.26
  6. Step 6: Final answer
    x = 1,710.52

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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.