Home / 3,556.62-5,338.58-3,425.40

Finding the Fourth Proportional to 3,556.62, 5,338.58 and 3,425.40

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Solution

The fourth proportional to 3,556.62, 5,338.58 and 3,425.40 is: 5,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.62 : 5,338.58 = 3,425.40 : x
  2. Step 2: Convert to fraction form
    3,556.62/5,338.58 = 3,425.40/x
  3. Step 3: Cross multiply
    3,556.62x = 5,338.58 × 3,425.40
  4. Step 4: Simplify right side
    3,556.62x = 18,286,771.93
  5. Step 5: Solve for x
    x = 18,286,771.93/3,556.62
  6. Step 6: Final answer
    x = 5,141.62

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1.5x scale

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.