Home / 2,843.44-4,262.40-1,382.88

Finding the Fourth Proportional to 2,843.44, 4,262.40 and 1,382.88

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Solution

The fourth proportional to 2,843.44, 4,262.40 and 1,382.88 is: 2,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,843.44 : 4,262.40 = 1,382.88 : x
  2. Step 2: Convert to fraction form
    2,843.44/4,262.40 = 1,382.88/x
  3. Step 3: Cross multiply
    2,843.44x = 4,262.40 × 1,382.88
  4. Step 4: Simplify right side
    2,843.44x = 5,894,387.71
  5. Step 5: Solve for x
    x = 5,894,387.71/2,843.44
  6. Step 6: Final answer
    x = 2,072.98

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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.