Home / 3,100.32-4,639.44-2,276.64

Finding the Fourth Proportional to 3,100.32, 4,639.44 and 2,276.64

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Solution

The fourth proportional to 3,100.32, 4,639.44 and 2,276.64 is: 3,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.32 : 4,639.44 = 2,276.64 : x
  2. Step 2: Convert to fraction form
    3,100.32/4,639.44 = 2,276.64/x
  3. Step 3: Cross multiply
    3,100.32x = 4,639.44 × 2,276.64
  4. Step 4: Simplify right side
    3,100.32x = 10,562,334.68
  5. Step 5: Solve for x
    x = 10,562,334.68/3,100.32
  6. Step 6: Final answer
    x = 3,406.85

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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.