Home / 3,319.74-4,580.22-1,992.96

Finding the Fourth Proportional to 3,319.74, 4,580.22 and 1,992.96

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Solution

The fourth proportional to 3,319.74, 4,580.22 and 1,992.96 is: 2,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.74 : 4,580.22 = 1,992.96 : x
  2. Step 2: Convert to fraction form
    3,319.74/4,580.22 = 1,992.96/x
  3. Step 3: Cross multiply
    3,319.74x = 4,580.22 × 1,992.96
  4. Step 4: Simplify right side
    3,319.74x = 9,128,195.25
  5. Step 5: Solve for x
    x = 9,128,195.25/3,319.74
  6. Step 6: Final answer
    x = 2,749.67

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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.