Home / 3,211.42-4,819.14-1,263.58

Finding the Fourth Proportional to 3,211.42, 4,819.14 and 1,263.58

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Solution

The fourth proportional to 3,211.42, 4,819.14 and 1,263.58 is: 1,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.42 : 4,819.14 = 1,263.58 : x
  2. Step 2: Convert to fraction form
    3,211.42/4,819.14 = 1,263.58/x
  3. Step 3: Cross multiply
    3,211.42x = 4,819.14 × 1,263.58
  4. Step 4: Simplify right side
    3,211.42x = 6,089,368.92
  5. Step 5: Solve for x
    x = 6,089,368.92/3,211.42
  6. Step 6: Final answer
    x = 1,896.16

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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.