Home / 3,225.70-4,450.14-2,106.25

Finding the Fourth Proportional to 3,225.70, 4,450.14 and 2,106.25

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Solution

The fourth proportional to 3,225.70, 4,450.14 and 2,106.25 is: 2,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.70 : 4,450.14 = 2,106.25 : x
  2. Step 2: Convert to fraction form
    3,225.70/4,450.14 = 2,106.25/x
  3. Step 3: Cross multiply
    3,225.70x = 4,450.14 × 2,106.25
  4. Step 4: Simplify right side
    3,225.70x = 9,373,107.38
  5. Step 5: Solve for x
    x = 9,373,107.38/3,225.70
  6. Step 6: Final answer
    x = 2,905.76

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Half scale
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Double scale
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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.