Home / 2,770.62-4,153.64-1,382.28

Finding the Fourth Proportional to 2,770.62, 4,153.64 and 1,382.28

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Solution

The fourth proportional to 2,770.62, 4,153.64 and 1,382.28 is: 2,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.62 : 4,153.64 = 1,382.28 : x
  2. Step 2: Convert to fraction form
    2,770.62/4,153.64 = 1,382.28/x
  3. Step 3: Cross multiply
    2,770.62x = 4,153.64 × 1,382.28
  4. Step 4: Simplify right side
    2,770.62x = 5,741,486.59
  5. Step 5: Solve for x
    x = 5,741,486.59/2,770.62
  6. Step 6: Final answer
    x = 2,072.28

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1.5x scale

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.