Home / 3,285.32-4,928.14-3,149.64

Finding the Fourth Proportional to 3,285.32, 4,928.14 and 3,149.64

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Solution

The fourth proportional to 3,285.32, 4,928.14 and 3,149.64 is: 4,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.32 : 4,928.14 = 3,149.64 : x
  2. Step 2: Convert to fraction form
    3,285.32/4,928.14 = 3,149.64/x
  3. Step 3: Cross multiply
    3,285.32x = 4,928.14 × 3,149.64
  4. Step 4: Simplify right side
    3,285.32x = 15,521,866.87
  5. Step 5: Solve for x
    x = 15,521,866.87/3,285.32
  6. Step 6: Final answer
    x = 4,724.61

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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.