Home / 3,225.69-4,452.39-2,106.79

Finding the Fourth Proportional to 3,225.69, 4,452.39 and 2,106.79

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Solution

The fourth proportional to 3,225.69, 4,452.39 and 2,106.79 is: 2,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.69 : 4,452.39 = 2,106.79 : x
  2. Step 2: Convert to fraction form
    3,225.69/4,452.39 = 2,106.79/x
  3. Step 3: Cross multiply
    3,225.69x = 4,452.39 × 2,106.79
  4. Step 4: Simplify right side
    3,225.69x = 9,380,250.73
  5. Step 5: Solve for x
    x = 9,380,250.73/3,225.69
  6. Step 6: Final answer
    x = 2,907.98

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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.