Home / 3,212.96-4,819.36-1,751.76

Finding the Fourth Proportional to 3,212.96, 4,819.36 and 1,751.76

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Solution

The fourth proportional to 3,212.96, 4,819.36 and 1,751.76 is: 2,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.96 : 4,819.36 = 1,751.76 : x
  2. Step 2: Convert to fraction form
    3,212.96/4,819.36 = 1,751.76/x
  3. Step 3: Cross multiply
    3,212.96x = 4,819.36 × 1,751.76
  4. Step 4: Simplify right side
    3,212.96x = 8,442,362.07
  5. Step 5: Solve for x
    x = 8,442,362.07/3,212.96
  6. Step 6: Final answer
    x = 2,627.60

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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.