Home / 2,976.67-4,466.47-2,104.78

Finding the Fourth Proportional to 2,976.67, 4,466.47 and 2,104.78

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Solution

The fourth proportional to 2,976.67, 4,466.47 and 2,104.78 is: 3,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.67 : 4,466.47 = 2,104.78 : x
  2. Step 2: Convert to fraction form
    2,976.67/4,466.47 = 2,104.78/x
  3. Step 3: Cross multiply
    2,976.67x = 4,466.47 × 2,104.78
  4. Step 4: Simplify right side
    2,976.67x = 9,400,936.88
  5. Step 5: Solve for x
    x = 9,400,936.88/2,976.67
  6. Step 6: Final answer
    x = 3,158.20

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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.