Home / 2,846.54-3,926.83-2,215.95

Finding the Fourth Proportional to 2,846.54, 3,926.83 and 2,215.95

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Solution

The fourth proportional to 2,846.54, 3,926.83 and 2,215.95 is: 3,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.54 : 3,926.83 = 2,215.95 : x
  2. Step 2: Convert to fraction form
    2,846.54/3,926.83 = 2,215.95/x
  3. Step 3: Cross multiply
    2,846.54x = 3,926.83 × 2,215.95
  4. Step 4: Simplify right side
    2,846.54x = 8,701,658.94
  5. Step 5: Solve for x
    x = 8,701,658.94/2,846.54
  6. Step 6: Final answer
    x = 3,056.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.