Home / 2,006.26-2,768.63-1,122.07

Finding the Fourth Proportional to 2,006.26, 2,768.63 and 1,122.07

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Solution

The fourth proportional to 2,006.26, 2,768.63 and 1,122.07 is: 1,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,006.26 : 2,768.63 = 1,122.07 : x
  2. Step 2: Convert to fraction form
    2,006.26/2,768.63 = 1,122.07/x
  3. Step 3: Cross multiply
    2,006.26x = 2,768.63 × 1,122.07
  4. Step 4: Simplify right side
    2,006.26x = 3,106,596.66
  5. Step 5: Solve for x
    x = 3,106,596.66/2,006.26
  6. Step 6: Final answer
    x = 1,548.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.