Home / 1,204.88-1,815.51-1,072.27

Finding the Fourth Proportional to 1,204.88, 1,815.51 and 1,072.27

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Solution

The fourth proportional to 1,204.88, 1,815.51 and 1,072.27 is: 1,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.88 : 1,815.51 = 1,072.27 : x
  2. Step 2: Convert to fraction form
    1,204.88/1,815.51 = 1,072.27/x
  3. Step 3: Cross multiply
    1,204.88x = 1,815.51 × 1,072.27
  4. Step 4: Simplify right side
    1,204.88x = 1,946,723.20
  5. Step 5: Solve for x
    x = 1,946,723.20/1,204.88
  6. Step 6: Final answer
    x = 1,615.71

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.