Home / 3,563.78-4,912.26-2,816.42

Finding the Fourth Proportional to 3,563.78, 4,912.26 and 2,816.42

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Solution

The fourth proportional to 3,563.78, 4,912.26 and 2,816.42 is: 3,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.78 : 4,912.26 = 2,816.42 : x
  2. Step 2: Convert to fraction form
    3,563.78/4,912.26 = 2,816.42/x
  3. Step 3: Cross multiply
    3,563.78x = 4,912.26 × 2,816.42
  4. Step 4: Simplify right side
    3,563.78x = 13,834,987.31
  5. Step 5: Solve for x
    x = 13,834,987.31/3,563.78
  6. Step 6: Final answer
    x = 3,882.11

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1.5x scale

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.