Home / 3,946.31-5,912.96-3,539.39

Finding the Fourth Proportional to 3,946.31, 5,912.96 and 3,539.39

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Solution

The fourth proportional to 3,946.31, 5,912.96 and 3,539.39 is: 5,303.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.31 : 5,912.96 = 3,539.39 : x
  2. Step 2: Convert to fraction form
    3,946.31/5,912.96 = 3,539.39/x
  3. Step 3: Cross multiply
    3,946.31x = 5,912.96 × 3,539.39
  4. Step 4: Simplify right side
    3,946.31x = 20,928,237.51
  5. Step 5: Solve for x
    x = 20,928,237.51/3,946.31
  6. Step 6: Final answer
    x = 5,303.24

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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.