Home / 3,839.51-5,758.67-1,206.41

Finding the Fourth Proportional to 3,839.51, 5,758.67 and 1,206.41

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Solution

The fourth proportional to 3,839.51, 5,758.67 and 1,206.41 is: 1,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.51 : 5,758.67 = 1,206.41 : x
  2. Step 2: Convert to fraction form
    3,839.51/5,758.67 = 1,206.41/x
  3. Step 3: Cross multiply
    3,839.51x = 5,758.67 × 1,206.41
  4. Step 4: Simplify right side
    3,839.51x = 6,947,282.25
  5. Step 5: Solve for x
    x = 6,947,282.25/3,839.51
  6. Step 6: Final answer
    x = 1,809.42

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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.