Home / 2,718.91-4,079.73-1,076.84

Finding the Fourth Proportional to 2,718.91, 4,079.73 and 1,076.84

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Solution

The fourth proportional to 2,718.91, 4,079.73 and 1,076.84 is: 1,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.91 : 4,079.73 = 1,076.84 : x
  2. Step 2: Convert to fraction form
    2,718.91/4,079.73 = 1,076.84/x
  3. Step 3: Cross multiply
    2,718.91x = 4,079.73 × 1,076.84
  4. Step 4: Simplify right side
    2,718.91x = 4,393,196.05
  5. Step 5: Solve for x
    x = 4,393,196.05/2,718.91
  6. Step 6: Final answer
    x = 1,615.79

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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.