Home / 3,570.14-5,352.12-1,380.41

Finding the Fourth Proportional to 3,570.14, 5,352.12 and 1,380.41

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Solution

The fourth proportional to 3,570.14, 5,352.12 and 1,380.41 is: 2,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.14 : 5,352.12 = 1,380.41 : x
  2. Step 2: Convert to fraction form
    3,570.14/5,352.12 = 1,380.41/x
  3. Step 3: Cross multiply
    3,570.14x = 5,352.12 × 1,380.41
  4. Step 4: Simplify right side
    3,570.14x = 7,388,093.21
  5. Step 5: Solve for x
    x = 7,388,093.21/3,570.14
  6. Step 6: Final answer
    x = 2,069.42

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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.