Home / 3,012.89-4,515.48-2,621.25

Finding the Fourth Proportional to 3,012.89, 4,515.48 and 2,621.25

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Solution

The fourth proportional to 3,012.89, 4,515.48 and 2,621.25 is: 3,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.89 : 4,515.48 = 2,621.25 : x
  2. Step 2: Convert to fraction form
    3,012.89/4,515.48 = 2,621.25/x
  3. Step 3: Cross multiply
    3,012.89x = 4,515.48 × 2,621.25
  4. Step 4: Simplify right side
    3,012.89x = 11,836,201.95
  5. Step 5: Solve for x
    x = 11,836,201.95/3,012.89
  6. Step 6: Final answer
    x = 3,928.53

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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.