Home / 3,278.69-4,918.87-1,088.03

Finding the Fourth Proportional to 3,278.69, 4,918.87 and 1,088.03

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Solution

The fourth proportional to 3,278.69, 4,918.87 and 1,088.03 is: 1,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.69 : 4,918.87 = 1,088.03 : x
  2. Step 2: Convert to fraction form
    3,278.69/4,918.87 = 1,088.03/x
  3. Step 3: Cross multiply
    3,278.69x = 4,918.87 × 1,088.03
  4. Step 4: Simplify right side
    3,278.69x = 5,351,853.53
  5. Step 5: Solve for x
    x = 5,351,853.53/3,278.69
  6. Step 6: Final answer
    x = 1,632.32

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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.