Home / 3,076.45-4,615.63-1,102.09

Finding the Fourth Proportional to 3,076.45, 4,615.63 and 1,102.09

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Solution

The fourth proportional to 3,076.45, 4,615.63 and 1,102.09 is: 1,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076.45 : 4,615.63 = 1,102.09 : x
  2. Step 2: Convert to fraction form
    3,076.45/4,615.63 = 1,102.09/x
  3. Step 3: Cross multiply
    3,076.45x = 4,615.63 × 1,102.09
  4. Step 4: Simplify right side
    3,076.45x = 5,086,857.45
  5. Step 5: Solve for x
    x = 5,086,857.45/3,076.45
  6. Step 6: Final answer
    x = 1,653.48

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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.