Home / 3,723.89-5,139.06-2,045.33

Finding the Fourth Proportional to 3,723.89, 5,139.06 and 2,045.33

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Solution

The fourth proportional to 3,723.89, 5,139.06 and 2,045.33 is: 2,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.89 : 5,139.06 = 2,045.33 : x
  2. Step 2: Convert to fraction form
    3,723.89/5,139.06 = 2,045.33/x
  3. Step 3: Cross multiply
    3,723.89x = 5,139.06 × 2,045.33
  4. Step 4: Simplify right side
    3,723.89x = 10,511,073.59
  5. Step 5: Solve for x
    x = 10,511,073.59/3,723.89
  6. Step 6: Final answer
    x = 2,822.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.