Home / 3,578.13-5,357.49-1,843.11

Finding the Fourth Proportional to 3,578.13, 5,357.49 and 1,843.11

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Solution

The fourth proportional to 3,578.13, 5,357.49 and 1,843.11 is: 2,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.13 : 5,357.49 = 1,843.11 : x
  2. Step 2: Convert to fraction form
    3,578.13/5,357.49 = 1,843.11/x
  3. Step 3: Cross multiply
    3,578.13x = 5,357.49 × 1,843.11
  4. Step 4: Simplify right side
    3,578.13x = 9,874,443.39
  5. Step 5: Solve for x
    x = 9,874,443.39/3,578.13
  6. Step 6: Final answer
    x = 2,759.67

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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.