Home / 2,788.91-4,184.06-1,968.79

Finding the Fourth Proportional to 2,788.91, 4,184.06 and 1,968.79

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Solution

The fourth proportional to 2,788.91, 4,184.06 and 1,968.79 is: 2,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.91 : 4,184.06 = 1,968.79 : x
  2. Step 2: Convert to fraction form
    2,788.91/4,184.06 = 1,968.79/x
  3. Step 3: Cross multiply
    2,788.91x = 4,184.06 × 1,968.79
  4. Step 4: Simplify right side
    2,788.91x = 8,237,504.72
  5. Step 5: Solve for x
    x = 8,237,504.72/2,788.91
  6. Step 6: Final answer
    x = 2,953.66

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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.