Home / 3,631.16-5,448-1,441.28

Finding the Fourth Proportional to 3,631.16, 5,448 and 1,441.28

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Solution

The fourth proportional to 3,631.16, 5,448 and 1,441.28 is: 2,162.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.16 : 5,448 = 1,441.28 : x
  2. Step 2: Convert to fraction form
    3,631.16/5,448 = 1,441.28/x
  3. Step 3: Cross multiply
    3,631.16x = 5,448 × 1,441.28
  4. Step 4: Simplify right side
    3,631.16x = 7,852,093.44
  5. Step 5: Solve for x
    x = 7,852,093.44/3,631.16
  6. Step 6: Final answer
    x = 2,162.42

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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.