Home / 3,211.36-4,813.32-1,476.34

Finding the Fourth Proportional to 3,211.36, 4,813.32 and 1,476.34

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Solution

The fourth proportional to 3,211.36, 4,813.32 and 1,476.34 is: 2,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.36 : 4,813.32 = 1,476.34 : x
  2. Step 2: Convert to fraction form
    3,211.36/4,813.32 = 1,476.34/x
  3. Step 3: Cross multiply
    3,211.36x = 4,813.32 × 1,476.34
  4. Step 4: Simplify right side
    3,211.36x = 7,106,096.85
  5. Step 5: Solve for x
    x = 7,106,096.85/3,211.36
  6. Step 6: Final answer
    x = 2,212.80

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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.