Home / 3,021.42-4,533.12-1,481.34

Finding the Fourth Proportional to 3,021.42, 4,533.12 and 1,481.34

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Solution

The fourth proportional to 3,021.42, 4,533.12 and 1,481.34 is: 2,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.42 : 4,533.12 = 1,481.34 : x
  2. Step 2: Convert to fraction form
    3,021.42/4,533.12 = 1,481.34/x
  3. Step 3: Cross multiply
    3,021.42x = 4,533.12 × 1,481.34
  4. Step 4: Simplify right side
    3,021.42x = 6,715,091.98
  5. Step 5: Solve for x
    x = 6,715,091.98/3,021.42
  6. Step 6: Final answer
    x = 2,222.50

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Double scale
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Similar ratio
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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.