Home / 2,789.00-4,184.21-1,968.88

Finding the Fourth Proportional to 2,789.00, 4,184.21 and 1,968.88

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Solution

The fourth proportional to 2,789.00, 4,184.21 and 1,968.88 is: 2,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.00 : 4,184.21 = 1,968.88 : x
  2. Step 2: Convert to fraction form
    2,789.00/4,184.21 = 1,968.88/x
  3. Step 3: Cross multiply
    2,789.00x = 4,184.21 × 1,968.88
  4. Step 4: Simplify right side
    2,789.00x = 8,238,192.00
  5. Step 5: Solve for x
    x = 8,238,192.00/2,789.00
  6. Step 6: Final answer
    x = 2,953.81

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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.