Home / 3,212.46-4,819.43-1,021.17

Finding the Fourth Proportional to 3,212.46, 4,819.43 and 1,021.17

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Solution

The fourth proportional to 3,212.46, 4,819.43 and 1,021.17 is: 1,532.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.46 : 4,819.43 = 1,021.17 : x
  2. Step 2: Convert to fraction form
    3,212.46/4,819.43 = 1,021.17/x
  3. Step 3: Cross multiply
    3,212.46x = 4,819.43 × 1,021.17
  4. Step 4: Simplify right side
    3,212.46x = 4,921,477.96
  5. Step 5: Solve for x
    x = 4,921,477.96/3,212.46
  6. Step 6: Final answer
    x = 1,532.00

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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.