Home / 3,166.31-4,739.28-1,683.48

Finding the Fourth Proportional to 3,166.31, 4,739.28 and 1,683.48

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Solution

The fourth proportional to 3,166.31, 4,739.28 and 1,683.48 is: 2,519.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.31 : 4,739.28 = 1,683.48 : x
  2. Step 2: Convert to fraction form
    3,166.31/4,739.28 = 1,683.48/x
  3. Step 3: Cross multiply
    3,166.31x = 4,739.28 × 1,683.48
  4. Step 4: Simplify right side
    3,166.31x = 7,978,494.55
  5. Step 5: Solve for x
    x = 7,978,494.55/3,166.31
  6. Step 6: Final answer
    x = 2,519.81

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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.