Home / 1,828.63-2,743.93-1,212.62

Finding the Fourth Proportional to 1,828.63, 2,743.93 and 1,212.62

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Solution

The fourth proportional to 1,828.63, 2,743.93 and 1,212.62 is: 1,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.63 : 2,743.93 = 1,212.62 : x
  2. Step 2: Convert to fraction form
    1,828.63/2,743.93 = 1,212.62/x
  3. Step 3: Cross multiply
    1,828.63x = 2,743.93 × 1,212.62
  4. Step 4: Simplify right side
    1,828.63x = 3,327,340.81
  5. Step 5: Solve for x
    x = 3,327,340.81/1,828.63
  6. Step 6: Final answer
    x = 1,819.59

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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.