Home / 3,203.85-4,805.37-1,012.80

Finding the Fourth Proportional to 3,203.85, 4,805.37 and 1,012.80

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Solution

The fourth proportional to 3,203.85, 4,805.37 and 1,012.80 is: 1,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.85 : 4,805.37 = 1,012.80 : x
  2. Step 2: Convert to fraction form
    3,203.85/4,805.37 = 1,012.80/x
  3. Step 3: Cross multiply
    3,203.85x = 4,805.37 × 1,012.80
  4. Step 4: Simplify right side
    3,203.85x = 4,866,878.74
  5. Step 5: Solve for x
    x = 4,866,878.74/3,203.85
  6. Step 6: Final answer
    x = 1,519.07

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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.