Home / 3,256.56-4,879.36-2,099.88

Finding the Fourth Proportional to 3,256.56, 4,879.36 and 2,099.88

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Solution

The fourth proportional to 3,256.56, 4,879.36 and 2,099.88 is: 3,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.56 : 4,879.36 = 2,099.88 : x
  2. Step 2: Convert to fraction form
    3,256.56/4,879.36 = 2,099.88/x
  3. Step 3: Cross multiply
    3,256.56x = 4,879.36 × 2,099.88
  4. Step 4: Simplify right side
    3,256.56x = 10,246,070.48
  5. Step 5: Solve for x
    x = 10,246,070.48/3,256.56
  6. Step 6: Final answer
    x = 3,146.29

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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.