Home / 3,704.05-5,112.03-2,132.45

Finding the Fourth Proportional to 3,704.05, 5,112.03 and 2,132.45

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Solution

The fourth proportional to 3,704.05, 5,112.03 and 2,132.45 is: 2,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.05 : 5,112.03 = 2,132.45 : x
  2. Step 2: Convert to fraction form
    3,704.05/5,112.03 = 2,132.45/x
  3. Step 3: Cross multiply
    3,704.05x = 5,112.03 × 2,132.45
  4. Step 4: Simplify right side
    3,704.05x = 10,901,149.98
  5. Step 5: Solve for x
    x = 10,901,149.98/3,704.05
  6. Step 6: Final answer
    x = 2,943.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.