Home / 2,786.46-4,178.97-1,054.14

Finding the Fourth Proportional to 2,786.46, 4,178.97 and 1,054.14

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Solution

The fourth proportional to 2,786.46, 4,178.97 and 1,054.14 is: 1,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.46 : 4,178.97 = 1,054.14 : x
  2. Step 2: Convert to fraction form
    2,786.46/4,178.97 = 1,054.14/x
  3. Step 3: Cross multiply
    2,786.46x = 4,178.97 × 1,054.14
  4. Step 4: Simplify right side
    2,786.46x = 4,405,219.44
  5. Step 5: Solve for x
    x = 4,405,219.44/2,786.46
  6. Step 6: Final answer
    x = 1,580.94

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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.