Home / 1,644.46-2,269.20-1,112.26

Finding the Fourth Proportional to 1,644.46, 2,269.20 and 1,112.26

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Solution

The fourth proportional to 1,644.46, 2,269.20 and 1,112.26 is: 1,534.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644.46 : 2,269.20 = 1,112.26 : x
  2. Step 2: Convert to fraction form
    1,644.46/2,269.20 = 1,112.26/x
  3. Step 3: Cross multiply
    1,644.46x = 2,269.20 × 1,112.26
  4. Step 4: Simplify right side
    1,644.46x = 2,523,940.39
  5. Step 5: Solve for x
    x = 2,523,940.39/1,644.46
  6. Step 6: Final answer
    x = 1,534.81

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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.