Home / 3,704.86-5,109.81-2,212.45

Finding the Fourth Proportional to 3,704.86, 5,109.81 and 2,212.45

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Solution

The fourth proportional to 3,704.86, 5,109.81 and 2,212.45 is: 3,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.86 : 5,109.81 = 2,212.45 : x
  2. Step 2: Convert to fraction form
    3,704.86/5,109.81 = 2,212.45/x
  3. Step 3: Cross multiply
    3,704.86x = 5,109.81 × 2,212.45
  4. Step 4: Simplify right side
    3,704.86x = 11,305,173.59
  5. Step 5: Solve for x
    x = 11,305,173.59/3,704.86
  6. Step 6: Final answer
    x = 3,051.45

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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.