Home / 3,212.72-4,820.76-1,751.60

Finding the Fourth Proportional to 3,212.72, 4,820.76 and 1,751.60

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Solution

The fourth proportional to 3,212.72, 4,820.76 and 1,751.60 is: 2,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.72 : 4,820.76 = 1,751.60 : x
  2. Step 2: Convert to fraction form
    3,212.72/4,820.76 = 1,751.60/x
  3. Step 3: Cross multiply
    3,212.72x = 4,820.76 × 1,751.60
  4. Step 4: Simplify right side
    3,212.72x = 8,444,043.22
  5. Step 5: Solve for x
    x = 8,444,043.22/3,212.72
  6. Step 6: Final answer
    x = 2,628.32

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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.