Home / 3,098.56-4,636.32-2,279.20

Finding the Fourth Proportional to 3,098.56, 4,636.32 and 2,279.20

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Solution

The fourth proportional to 3,098.56, 4,636.32 and 2,279.20 is: 3,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.56 : 4,636.32 = 2,279.20 : x
  2. Step 2: Convert to fraction form
    3,098.56/4,636.32 = 2,279.20/x
  3. Step 3: Cross multiply
    3,098.56x = 4,636.32 × 2,279.20
  4. Step 4: Simplify right side
    3,098.56x = 10,567,100.54
  5. Step 5: Solve for x
    x = 10,567,100.54/3,098.56
  6. Step 6: Final answer
    x = 3,410.33

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1.5x scale

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.