Home / 3,134.80-4,704.56-2,145.26

Finding the Fourth Proportional to 3,134.80, 4,704.56 and 2,145.26

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Solution

The fourth proportional to 3,134.80, 4,704.56 and 2,145.26 is: 3,219.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.80 : 4,704.56 = 2,145.26 : x
  2. Step 2: Convert to fraction form
    3,134.80/4,704.56 = 2,145.26/x
  3. Step 3: Cross multiply
    3,134.80x = 4,704.56 × 2,145.26
  4. Step 4: Simplify right side
    3,134.80x = 10,092,504.39
  5. Step 5: Solve for x
    x = 10,092,504.39/3,134.80
  6. Step 6: Final answer
    x = 3,219.51

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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.