Home / 3,079.92-4,619.76-1,696

Finding the Fourth Proportional to 3,079.92, 4,619.76 and 1,696

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Solution

The fourth proportional to 3,079.92, 4,619.76 and 1,696 is: 2,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.92 : 4,619.76 = 1,696 : x
  2. Step 2: Convert to fraction form
    3,079.92/4,619.76 = 1,696/x
  3. Step 3: Cross multiply
    3,079.92x = 4,619.76 × 1,696
  4. Step 4: Simplify right side
    3,079.92x = 7,835,112.96
  5. Step 5: Solve for x
    x = 7,835,112.96/3,079.92
  6. Step 6: Final answer
    x = 2,543.93

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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.