Home / 3,839.54-5,761.94-2,379.51

Finding the Fourth Proportional to 3,839.54, 5,761.94 and 2,379.51

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Solution

The fourth proportional to 3,839.54, 5,761.94 and 2,379.51 is: 3,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.54 : 5,761.94 = 2,379.51 : x
  2. Step 2: Convert to fraction form
    3,839.54/5,761.94 = 2,379.51/x
  3. Step 3: Cross multiply
    3,839.54x = 5,761.94 × 2,379.51
  4. Step 4: Simplify right side
    3,839.54x = 13,710,581.95
  5. Step 5: Solve for x
    x = 13,710,581.95/3,839.54
  6. Step 6: Final answer
    x = 3,570.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.