Home / 2,783.43-4,172.91-1,396.01

Finding the Fourth Proportional to 2,783.43, 4,172.91 and 1,396.01

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Solution

The fourth proportional to 2,783.43, 4,172.91 and 1,396.01 is: 2,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.43 : 4,172.91 = 1,396.01 : x
  2. Step 2: Convert to fraction form
    2,783.43/4,172.91 = 1,396.01/x
  3. Step 3: Cross multiply
    2,783.43x = 4,172.91 × 1,396.01
  4. Step 4: Simplify right side
    2,783.43x = 5,825,403.22
  5. Step 5: Solve for x
    x = 5,825,403.22/2,783.43
  6. Step 6: Final answer
    x = 2,092.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.