Home / 3,225.50-4,452.14-2,106.61

Finding the Fourth Proportional to 3,225.50, 4,452.14 and 2,106.61

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Solution

The fourth proportional to 3,225.50, 4,452.14 and 2,106.61 is: 2,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.50 : 4,452.14 = 2,106.61 : x
  2. Step 2: Convert to fraction form
    3,225.50/4,452.14 = 2,106.61/x
  3. Step 3: Cross multiply
    3,225.50x = 4,452.14 × 2,106.61
  4. Step 4: Simplify right side
    3,225.50x = 9,378,922.65
  5. Step 5: Solve for x
    x = 9,378,922.65/3,225.50
  6. Step 6: Final answer
    x = 2,907.74

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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.