Home / 1,732.26-2,391.03-1,208.46

Finding the Fourth Proportional to 1,732.26, 2,391.03 and 1,208.46

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Solution

The fourth proportional to 1,732.26, 2,391.03 and 1,208.46 is: 1,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.26 : 2,391.03 = 1,208.46 : x
  2. Step 2: Convert to fraction form
    1,732.26/2,391.03 = 1,208.46/x
  3. Step 3: Cross multiply
    1,732.26x = 2,391.03 × 1,208.46
  4. Step 4: Simplify right side
    1,732.26x = 2,889,464.11
  5. Step 5: Solve for x
    x = 2,889,464.11/1,732.26
  6. Step 6: Final answer
    x = 1,668.03

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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.