Home / 3,212.90-4,816.42-1,237.26

Finding the Fourth Proportional to 3,212.90, 4,816.42 and 1,237.26

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Solution

The fourth proportional to 3,212.90, 4,816.42 and 1,237.26 is: 1,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.90 : 4,816.42 = 1,237.26 : x
  2. Step 2: Convert to fraction form
    3,212.90/4,816.42 = 1,237.26/x
  3. Step 3: Cross multiply
    3,212.90x = 4,816.42 × 1,237.26
  4. Step 4: Simplify right side
    3,212.90x = 5,959,157.62
  5. Step 5: Solve for x
    x = 5,959,157.62/3,212.90
  6. Step 6: Final answer
    x = 1,854.76

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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.