Home / 2,675.00-4,008.44-1,980.56

Finding the Fourth Proportional to 2,675.00, 4,008.44 and 1,980.56

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Solution

The fourth proportional to 2,675.00, 4,008.44 and 1,980.56 is: 2,967.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.00 : 4,008.44 = 1,980.56 : x
  2. Step 2: Convert to fraction form
    2,675.00/4,008.44 = 1,980.56/x
  3. Step 3: Cross multiply
    2,675.00x = 4,008.44 × 1,980.56
  4. Step 4: Simplify right side
    2,675.00x = 7,938,940.84
  5. Step 5: Solve for x
    x = 7,938,940.84/2,675.00
  6. Step 6: Final answer
    x = 2,967.83

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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.