Home / 3,765.82-5,643.27-2,672.32

Finding the Fourth Proportional to 3,765.82, 5,643.27 and 2,672.32

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Solution

The fourth proportional to 3,765.82, 5,643.27 and 2,672.32 is: 4,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.82 : 5,643.27 = 2,672.32 : x
  2. Step 2: Convert to fraction form
    3,765.82/5,643.27 = 2,672.32/x
  3. Step 3: Cross multiply
    3,765.82x = 5,643.27 × 2,672.32
  4. Step 4: Simplify right side
    3,765.82x = 15,080,623.29
  5. Step 5: Solve for x
    x = 15,080,623.29/3,765.82
  6. Step 6: Final answer
    x = 4,004.61

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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.