Home / 2,986.06-4,481.40-1,506.80

Finding the Fourth Proportional to 2,986.06, 4,481.40 and 1,506.80

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Solution

The fourth proportional to 2,986.06, 4,481.40 and 1,506.80 is: 2,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.06 : 4,481.40 = 1,506.80 : x
  2. Step 2: Convert to fraction form
    2,986.06/4,481.40 = 1,506.80/x
  3. Step 3: Cross multiply
    2,986.06x = 4,481.40 × 1,506.80
  4. Step 4: Simplify right side
    2,986.06x = 6,752,573.52
  5. Step 5: Solve for x
    x = 6,752,573.52/2,986.06
  6. Step 6: Final answer
    x = 2,261.37

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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.