Home / 3,975.54-5,966.36-1,668.66

Finding the Fourth Proportional to 3,975.54, 5,966.36 and 1,668.66

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Solution

The fourth proportional to 3,975.54, 5,966.36 and 1,668.66 is: 2,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.54 : 5,966.36 = 1,668.66 : x
  2. Step 2: Convert to fraction form
    3,975.54/5,966.36 = 1,668.66/x
  3. Step 3: Cross multiply
    3,975.54x = 5,966.36 × 1,668.66
  4. Step 4: Simplify right side
    3,975.54x = 9,955,826.28
  5. Step 5: Solve for x
    x = 9,955,826.28/3,975.54
  6. Step 6: Final answer
    x = 2,504.27

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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.