Home / 3,839.49-5,759.67-1,374.57

Finding the Fourth Proportional to 3,839.49, 5,759.67 and 1,374.57

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Solution

The fourth proportional to 3,839.49, 5,759.67 and 1,374.57 is: 2,062.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.49 : 5,759.67 = 1,374.57 : x
  2. Step 2: Convert to fraction form
    3,839.49/5,759.67 = 1,374.57/x
  3. Step 3: Cross multiply
    3,839.49x = 5,759.67 × 1,374.57
  4. Step 4: Simplify right side
    3,839.49x = 7,917,069.59
  5. Step 5: Solve for x
    x = 7,917,069.59/3,839.49
  6. Step 6: Final answer
    x = 2,062.01

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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.