Home / 3,280.50-4,919.67-1,088.64

Finding the Fourth Proportional to 3,280.50, 4,919.67 and 1,088.64

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Solution

The fourth proportional to 3,280.50, 4,919.67 and 1,088.64 is: 1,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.50 : 4,919.67 = 1,088.64 : x
  2. Step 2: Convert to fraction form
    3,280.50/4,919.67 = 1,088.64/x
  3. Step 3: Cross multiply
    3,280.50x = 4,919.67 × 1,088.64
  4. Step 4: Simplify right side
    3,280.50x = 5,355,724.95
  5. Step 5: Solve for x
    x = 5,355,724.95/3,280.50
  6. Step 6: Final answer
    x = 1,632.60

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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.