Home / 3,423.62-4,725.42-2,231.54

Finding the Fourth Proportional to 3,423.62, 4,725.42 and 2,231.54

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Solution

The fourth proportional to 3,423.62, 4,725.42 and 2,231.54 is: 3,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.62 : 4,725.42 = 2,231.54 : x
  2. Step 2: Convert to fraction form
    3,423.62/4,725.42 = 2,231.54/x
  3. Step 3: Cross multiply
    3,423.62x = 4,725.42 × 2,231.54
  4. Step 4: Simplify right side
    3,423.62x = 10,544,963.75
  5. Step 5: Solve for x
    x = 10,544,963.75/3,423.62
  6. Step 6: Final answer
    x = 3,080.06

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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.