Home / 3,228.33-4,841.67-1,279.47

Finding the Fourth Proportional to 3,228.33, 4,841.67 and 1,279.47

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Solution

The fourth proportional to 3,228.33, 4,841.67 and 1,279.47 is: 1,918.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.33 : 4,841.67 = 1,279.47 : x
  2. Step 2: Convert to fraction form
    3,228.33/4,841.67 = 1,279.47/x
  3. Step 3: Cross multiply
    3,228.33x = 4,841.67 × 1,279.47
  4. Step 4: Simplify right side
    3,228.33x = 6,194,771.51
  5. Step 5: Solve for x
    x = 6,194,771.51/3,228.33
  6. Step 6: Final answer
    x = 1,918.88

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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.