Home / 3,212.05-4,810.21-2,653.34

Finding the Fourth Proportional to 3,212.05, 4,810.21 and 2,653.34

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Solution

The fourth proportional to 3,212.05, 4,810.21 and 2,653.34 is: 3,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.05 : 4,810.21 = 2,653.34 : x
  2. Step 2: Convert to fraction form
    3,212.05/4,810.21 = 2,653.34/x
  3. Step 3: Cross multiply
    3,212.05x = 4,810.21 × 2,653.34
  4. Step 4: Simplify right side
    3,212.05x = 12,763,109.33
  5. Step 5: Solve for x
    x = 12,763,109.33/3,212.05
  6. Step 6: Final answer
    x = 3,973.51

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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.