Home / 3,650.24-5,476.44-1,185.20

Finding the Fourth Proportional to 3,650.24, 5,476.44 and 1,185.20

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Solution

The fourth proportional to 3,650.24, 5,476.44 and 1,185.20 is: 1,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.24 : 5,476.44 = 1,185.20 : x
  2. Step 2: Convert to fraction form
    3,650.24/5,476.44 = 1,185.20/x
  3. Step 3: Cross multiply
    3,650.24x = 5,476.44 × 1,185.20
  4. Step 4: Simplify right side
    3,650.24x = 6,490,676.69
  5. Step 5: Solve for x
    x = 6,490,676.69/3,650.24
  6. Step 6: Final answer
    x = 1,778.15

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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.