Home / 1,384.09-2,072.01-1,382.27

Finding the Fourth Proportional to 1,384.09, 2,072.01 and 1,382.27

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Solution

The fourth proportional to 1,384.09, 2,072.01 and 1,382.27 is: 2,069.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384.09 : 2,072.01 = 1,382.27 : x
  2. Step 2: Convert to fraction form
    1,384.09/2,072.01 = 1,382.27/x
  3. Step 3: Cross multiply
    1,384.09x = 2,072.01 × 1,382.27
  4. Step 4: Simplify right side
    1,384.09x = 2,864,072.09
  5. Step 5: Solve for x
    x = 2,864,072.09/1,384.09
  6. Step 6: Final answer
    x = 2,069.29

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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.