Home / 3,280.68-4,919.97-1,088.94

Finding the Fourth Proportional to 3,280.68, 4,919.97 and 1,088.94

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Solution

The fourth proportional to 3,280.68, 4,919.97 and 1,088.94 is: 1,633.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.68 : 4,919.97 = 1,088.94 : x
  2. Step 2: Convert to fraction form
    3,280.68/4,919.97 = 1,088.94/x
  3. Step 3: Cross multiply
    3,280.68x = 4,919.97 × 1,088.94
  4. Step 4: Simplify right side
    3,280.68x = 5,357,552.13
  5. Step 5: Solve for x
    x = 5,357,552.13/3,280.68
  6. Step 6: Final answer
    x = 1,633.06

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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.