Home / 3,844.08-5,765.86-1,378.97

Finding the Fourth Proportional to 3,844.08, 5,765.86 and 1,378.97

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Solution

The fourth proportional to 3,844.08, 5,765.86 and 1,378.97 is: 2,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.08 : 5,765.86 = 1,378.97 : x
  2. Step 2: Convert to fraction form
    3,844.08/5,765.86 = 1,378.97/x
  3. Step 3: Cross multiply
    3,844.08x = 5,765.86 × 1,378.97
  4. Step 4: Simplify right side
    3,844.08x = 7,950,971.04
  5. Step 5: Solve for x
    x = 7,950,971.04/3,844.08
  6. Step 6: Final answer
    x = 2,068.37

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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.