Home / 3,704.57-5,112.75-2,132.63

Finding the Fourth Proportional to 3,704.57, 5,112.75 and 2,132.63

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Solution

The fourth proportional to 3,704.57, 5,112.75 and 2,132.63 is: 2,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.57 : 5,112.75 = 2,132.63 : x
  2. Step 2: Convert to fraction form
    3,704.57/5,112.75 = 2,132.63/x
  3. Step 3: Cross multiply
    3,704.57x = 5,112.75 × 2,132.63
  4. Step 4: Simplify right side
    3,704.57x = 10,903,604.03
  5. Step 5: Solve for x
    x = 10,903,604.03/3,704.57
  6. Step 6: Final answer
    x = 2,943.28

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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.