Home / 1,227.24-1,836.60-1,005.30

Finding the Fourth Proportional to 1,227.24, 1,836.60 and 1,005.30

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Solution

The fourth proportional to 1,227.24, 1,836.60 and 1,005.30 is: 1,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227.24 : 1,836.60 = 1,005.30 : x
  2. Step 2: Convert to fraction form
    1,227.24/1,836.60 = 1,005.30/x
  3. Step 3: Cross multiply
    1,227.24x = 1,836.60 × 1,005.30
  4. Step 4: Simplify right side
    1,227.24x = 1,846,333.98
  5. Step 5: Solve for x
    x = 1,846,333.98/1,227.24
  6. Step 6: Final answer
    x = 1,504.46

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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.