Home / 3,134.25-4,701.38-1,286.37

Finding the Fourth Proportional to 3,134.25, 4,701.38 and 1,286.37

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Solution

The fourth proportional to 3,134.25, 4,701.38 and 1,286.37 is: 1,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.25 : 4,701.38 = 1,286.37 : x
  2. Step 2: Convert to fraction form
    3,134.25/4,701.38 = 1,286.37/x
  3. Step 3: Cross multiply
    3,134.25x = 4,701.38 × 1,286.37
  4. Step 4: Simplify right side
    3,134.25x = 6,047,707.76
  5. Step 5: Solve for x
    x = 6,047,707.76/3,134.25
  6. Step 6: Final answer
    x = 1,929.56

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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.