Home / 2,845.22-4,267.82-1,112.63

Finding the Fourth Proportional to 2,845.22, 4,267.82 and 1,112.63

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Solution

The fourth proportional to 2,845.22, 4,267.82 and 1,112.63 is: 1,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.22 : 4,267.82 = 1,112.63 : x
  2. Step 2: Convert to fraction form
    2,845.22/4,267.82 = 1,112.63/x
  3. Step 3: Cross multiply
    2,845.22x = 4,267.82 × 1,112.63
  4. Step 4: Simplify right side
    2,845.22x = 4,748,486.01
  5. Step 5: Solve for x
    x = 4,748,486.01/2,845.22
  6. Step 6: Final answer
    x = 1,668.94

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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.