Home / 3,844.06-5,766.59-1,378.69

Finding the Fourth Proportional to 3,844.06, 5,766.59 and 1,378.69

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Solution

The fourth proportional to 3,844.06, 5,766.59 and 1,378.69 is: 2,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.06 : 5,766.59 = 1,378.69 : x
  2. Step 2: Convert to fraction form
    3,844.06/5,766.59 = 1,378.69/x
  3. Step 3: Cross multiply
    3,844.06x = 5,766.59 × 1,378.69
  4. Step 4: Simplify right side
    3,844.06x = 7,950,329.00
  5. Step 5: Solve for x
    x = 7,950,329.00/3,844.06
  6. Step 6: Final answer
    x = 2,068.21

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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.