Home / 3,220.92-4,829.82-1,575.54

Finding the Fourth Proportional to 3,220.92, 4,829.82 and 1,575.54

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Solution

The fourth proportional to 3,220.92, 4,829.82 and 1,575.54 is: 2,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.92 : 4,829.82 = 1,575.54 : x
  2. Step 2: Convert to fraction form
    3,220.92/4,829.82 = 1,575.54/x
  3. Step 3: Cross multiply
    3,220.92x = 4,829.82 × 1,575.54
  4. Step 4: Simplify right side
    3,220.92x = 7,609,574.60
  5. Step 5: Solve for x
    x = 7,609,574.60/3,220.92
  6. Step 6: Final answer
    x = 2,362.55

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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.