Home / 3,172.35-4,759.03-1,091.84

Finding the Fourth Proportional to 3,172.35, 4,759.03 and 1,091.84

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Solution

The fourth proportional to 3,172.35, 4,759.03 and 1,091.84 is: 1,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.35 : 4,759.03 = 1,091.84 : x
  2. Step 2: Convert to fraction form
    3,172.35/4,759.03 = 1,091.84/x
  3. Step 3: Cross multiply
    3,172.35x = 4,759.03 × 1,091.84
  4. Step 4: Simplify right side
    3,172.35x = 5,196,081.96
  5. Step 5: Solve for x
    x = 5,196,081.96/3,172.35
  6. Step 6: Final answer
    x = 1,637.93

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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.