Home / 3,276.78-4,912.02-2,103.50

Finding the Fourth Proportional to 3,276.78, 4,912.02 and 2,103.50

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Solution

The fourth proportional to 3,276.78, 4,912.02 and 2,103.50 is: 3,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.78 : 4,912.02 = 2,103.50 : x
  2. Step 2: Convert to fraction form
    3,276.78/4,912.02 = 2,103.50/x
  3. Step 3: Cross multiply
    3,276.78x = 4,912.02 × 2,103.50
  4. Step 4: Simplify right side
    3,276.78x = 10,332,434.07
  5. Step 5: Solve for x
    x = 10,332,434.07/3,276.78
  6. Step 6: Final answer
    x = 3,153.23

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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.