Home / 3,971.41-5,955.09-1,338.01

Finding the Fourth Proportional to 3,971.41, 5,955.09 and 1,338.01

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Solution

The fourth proportional to 3,971.41, 5,955.09 and 1,338.01 is: 2,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.41 : 5,955.09 = 1,338.01 : x
  2. Step 2: Convert to fraction form
    3,971.41/5,955.09 = 1,338.01/x
  3. Step 3: Cross multiply
    3,971.41x = 5,955.09 × 1,338.01
  4. Step 4: Simplify right side
    3,971.41x = 7,967,969.97
  5. Step 5: Solve for x
    x = 7,967,969.97/3,971.41
  6. Step 6: Final answer
    x = 2,006.33

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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.