Home / 1,441.23-1,986.64-1,205.97

Finding the Fourth Proportional to 1,441.23, 1,986.64 and 1,205.97

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Solution

The fourth proportional to 1,441.23, 1,986.64 and 1,205.97 is: 1,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.23 : 1,986.64 = 1,205.97 : x
  2. Step 2: Convert to fraction form
    1,441.23/1,986.64 = 1,205.97/x
  3. Step 3: Cross multiply
    1,441.23x = 1,986.64 × 1,205.97
  4. Step 4: Simplify right side
    1,441.23x = 2,395,828.24
  5. Step 5: Solve for x
    x = 2,395,828.24/1,441.23
  6. Step 6: Final answer
    x = 1,662.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.