Home / 3,786.08-5,679.18-1,153.64

Finding the Fourth Proportional to 3,786.08, 5,679.18 and 1,153.64

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Solution

The fourth proportional to 3,786.08, 5,679.18 and 1,153.64 is: 1,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.08 : 5,679.18 = 1,153.64 : x
  2. Step 2: Convert to fraction form
    3,786.08/5,679.18 = 1,153.64/x
  3. Step 3: Cross multiply
    3,786.08x = 5,679.18 × 1,153.64
  4. Step 4: Simplify right side
    3,786.08x = 6,551,729.22
  5. Step 5: Solve for x
    x = 6,551,729.22/3,786.08
  6. Step 6: Final answer
    x = 1,730.48

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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.