Home / 2,855.58-4,284.70-1,212.52

Finding the Fourth Proportional to 2,855.58, 4,284.70 and 1,212.52

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Solution

The fourth proportional to 2,855.58, 4,284.70 and 1,212.52 is: 1,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.58 : 4,284.70 = 1,212.52 : x
  2. Step 2: Convert to fraction form
    2,855.58/4,284.70 = 1,212.52/x
  3. Step 3: Cross multiply
    2,855.58x = 4,284.70 × 1,212.52
  4. Step 4: Simplify right side
    2,855.58x = 5,195,284.44
  5. Step 5: Solve for x
    x = 5,195,284.44/2,855.58
  6. Step 6: Final answer
    x = 1,819.34

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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.