Home / 2,829.09-4,240.00-2,092.80

Finding the Fourth Proportional to 2,829.09, 4,240.00 and 2,092.80

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Solution

The fourth proportional to 2,829.09, 4,240.00 and 2,092.80 is: 3,136.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.09 : 4,240.00 = 2,092.80 : x
  2. Step 2: Convert to fraction form
    2,829.09/4,240.00 = 2,092.80/x
  3. Step 3: Cross multiply
    2,829.09x = 4,240.00 × 2,092.80
  4. Step 4: Simplify right side
    2,829.09x = 8,873,478.74
  5. Step 5: Solve for x
    x = 8,873,478.74/2,829.09
  6. Step 6: Final answer
    x = 3,136.51

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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.