Home / 1,218.44-1,823.70-1,104.77

Finding the Fourth Proportional to 1,218.44, 1,823.70 and 1,104.77

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Solution

The fourth proportional to 1,218.44, 1,823.70 and 1,104.77 is: 1,653.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.44 : 1,823.70 = 1,104.77 : x
  2. Step 2: Convert to fraction form
    1,218.44/1,823.70 = 1,104.77/x
  3. Step 3: Cross multiply
    1,218.44x = 1,823.70 × 1,104.77
  4. Step 4: Simplify right side
    1,218.44x = 2,014,769.05
  5. Step 5: Solve for x
    x = 2,014,769.05/1,218.44
  6. Step 6: Final answer
    x = 1,653.56

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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.