Home / 2,845.03-4,267.55-1,112.44

Finding the Fourth Proportional to 2,845.03, 4,267.55 and 1,112.44

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Solution

The fourth proportional to 2,845.03, 4,267.55 and 1,112.44 is: 1,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.03 : 4,267.55 = 1,112.44 : x
  2. Step 2: Convert to fraction form
    2,845.03/4,267.55 = 1,112.44/x
  3. Step 3: Cross multiply
    2,845.03x = 4,267.55 × 1,112.44
  4. Step 4: Simplify right side
    2,845.03x = 4,747,377.09
  5. Step 5: Solve for x
    x = 4,747,377.09/2,845.03
  6. Step 6: Final answer
    x = 1,668.66

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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.