Home / 3,979.41-5,967.06-1,786.26

Finding the Fourth Proportional to 3,979.41, 5,967.06 and 1,786.26

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Solution

The fourth proportional to 3,979.41, 5,967.06 and 1,786.26 is: 2,678.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.41 : 5,967.06 = 1,786.26 : x
  2. Step 2: Convert to fraction form
    3,979.41/5,967.06 = 1,786.26/x
  3. Step 3: Cross multiply
    3,979.41x = 5,967.06 × 1,786.26
  4. Step 4: Simplify right side
    3,979.41x = 10,658,710.14
  5. Step 5: Solve for x
    x = 10,658,710.14/3,979.41
  6. Step 6: Final answer
    x = 2,678.46

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1.5x scale

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.