Home / 3,212.18-4,816.79-1,209.46

Finding the Fourth Proportional to 3,212.18, 4,816.79 and 1,209.46

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Solution

The fourth proportional to 3,212.18, 4,816.79 and 1,209.46 is: 1,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.18 : 4,816.79 = 1,209.46 : x
  2. Step 2: Convert to fraction form
    3,212.18/4,816.79 = 1,209.46/x
  3. Step 3: Cross multiply
    3,212.18x = 4,816.79 × 1,209.46
  4. Step 4: Simplify right side
    3,212.18x = 5,825,714.83
  5. Step 5: Solve for x
    x = 5,825,714.83/3,212.18
  6. Step 6: Final answer
    x = 1,813.63

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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.