Home / 3,212.55-4,818.84-1,021.41

Finding the Fourth Proportional to 3,212.55, 4,818.84 and 1,021.41

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Solution

The fourth proportional to 3,212.55, 4,818.84 and 1,021.41 is: 1,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.55 : 4,818.84 = 1,021.41 : x
  2. Step 2: Convert to fraction form
    3,212.55/4,818.84 = 1,021.41/x
  3. Step 3: Cross multiply
    3,212.55x = 4,818.84 × 1,021.41
  4. Step 4: Simplify right side
    3,212.55x = 4,922,011.36
  5. Step 5: Solve for x
    x = 4,922,011.36/3,212.55
  6. Step 6: Final answer
    x = 1,532.12

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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.