Home / 2,172.63-3,260.07-1,076.97

Finding the Fourth Proportional to 2,172.63, 3,260.07 and 1,076.97

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Solution

The fourth proportional to 2,172.63, 3,260.07 and 1,076.97 is: 1,616.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.63 : 3,260.07 = 1,076.97 : x
  2. Step 2: Convert to fraction form
    2,172.63/3,260.07 = 1,076.97/x
  3. Step 3: Cross multiply
    2,172.63x = 3,260.07 × 1,076.97
  4. Step 4: Simplify right side
    2,172.63x = 3,510,997.59
  5. Step 5: Solve for x
    x = 3,510,997.59/2,172.63
  6. Step 6: Final answer
    x = 1,616.01

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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.