Home / 3,912.31-5,833.56-3,477.64

Finding the Fourth Proportional to 3,912.31, 5,833.56 and 3,477.64

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Solution

The fourth proportional to 3,912.31, 5,833.56 and 3,477.64 is: 5,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.31 : 5,833.56 = 3,477.64 : x
  2. Step 2: Convert to fraction form
    3,912.31/5,833.56 = 3,477.64/x
  3. Step 3: Cross multiply
    3,912.31x = 5,833.56 × 3,477.64
  4. Step 4: Simplify right side
    3,912.31x = 20,287,021.60
  5. Step 5: Solve for x
    x = 20,287,021.60/3,912.31
  6. Step 6: Final answer
    x = 5,185.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.