Home / 3,971.12-5,956.69-1,198.59

Finding the Fourth Proportional to 3,971.12, 5,956.69 and 1,198.59

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Solution

The fourth proportional to 3,971.12, 5,956.69 and 1,198.59 is: 1,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.12 : 5,956.69 = 1,198.59 : x
  2. Step 2: Convert to fraction form
    3,971.12/5,956.69 = 1,198.59/x
  3. Step 3: Cross multiply
    3,971.12x = 5,956.69 × 1,198.59
  4. Step 4: Simplify right side
    3,971.12x = 7,139,629.07
  5. Step 5: Solve for x
    x = 7,139,629.07/3,971.12
  6. Step 6: Final answer
    x = 1,797.89

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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.