Home / 1,966.56-2,706.84-1,631.22

Finding the Fourth Proportional to 1,966.56, 2,706.84 and 1,631.22

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Solution

The fourth proportional to 1,966.56, 2,706.84 and 1,631.22 is: 2,245.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.56 : 2,706.84 = 1,631.22 : x
  2. Step 2: Convert to fraction form
    1,966.56/2,706.84 = 1,631.22/x
  3. Step 3: Cross multiply
    1,966.56x = 2,706.84 × 1,631.22
  4. Step 4: Simplify right side
    1,966.56x = 4,415,451.54
  5. Step 5: Solve for x
    x = 4,415,451.54/1,966.56
  6. Step 6: Final answer
    x = 2,245.27

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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.