Home / 3,212.58-4,820.68-1,481.34

Finding the Fourth Proportional to 3,212.58, 4,820.68 and 1,481.34

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Solution

The fourth proportional to 3,212.58, 4,820.68 and 1,481.34 is: 2,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.58 : 4,820.68 = 1,481.34 : x
  2. Step 2: Convert to fraction form
    3,212.58/4,820.68 = 1,481.34/x
  3. Step 3: Cross multiply
    3,212.58x = 4,820.68 × 1,481.34
  4. Step 4: Simplify right side
    3,212.58x = 7,141,066.11
  5. Step 5: Solve for x
    x = 7,141,066.11/3,212.58
  6. Step 6: Final answer
    x = 2,222.84

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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.