Home / 1,480.69-2,224.14-1,431.55

Finding the Fourth Proportional to 1,480.69, 2,224.14 and 1,431.55

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Solution

The fourth proportional to 1,480.69, 2,224.14 and 1,431.55 is: 2,150.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.69 : 2,224.14 = 1,431.55 : x
  2. Step 2: Convert to fraction form
    1,480.69/2,224.14 = 1,431.55/x
  3. Step 3: Cross multiply
    1,480.69x = 2,224.14 × 1,431.55
  4. Step 4: Simplify right side
    1,480.69x = 3,183,967.62
  5. Step 5: Solve for x
    x = 3,183,967.62/1,480.69
  6. Step 6: Final answer
    x = 2,150.33

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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.