Home / 3,450.14-5,171.08-1,986.27

Finding the Fourth Proportional to 3,450.14, 5,171.08 and 1,986.27

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Solution

The fourth proportional to 3,450.14, 5,171.08 and 1,986.27 is: 2,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.14 : 5,171.08 = 1,986.27 : x
  2. Step 2: Convert to fraction form
    3,450.14/5,171.08 = 1,986.27/x
  3. Step 3: Cross multiply
    3,450.14x = 5,171.08 × 1,986.27
  4. Step 4: Simplify right side
    3,450.14x = 10,271,161.07
  5. Step 5: Solve for x
    x = 10,271,161.07/3,450.14
  6. Step 6: Final answer
    x = 2,977.03

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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.