Home / 2,980.44-4,466.38-1,679.16

Finding the Fourth Proportional to 2,980.44, 4,466.38 and 1,679.16

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Solution

The fourth proportional to 2,980.44, 4,466.38 and 1,679.16 is: 2,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.44 : 4,466.38 = 1,679.16 : x
  2. Step 2: Convert to fraction form
    2,980.44/4,466.38 = 1,679.16/x
  3. Step 3: Cross multiply
    2,980.44x = 4,466.38 × 1,679.16
  4. Step 4: Simplify right side
    2,980.44x = 7,499,766.64
  5. Step 5: Solve for x
    x = 7,499,766.64/2,980.44
  6. Step 6: Final answer
    x = 2,516.33

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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.