Home / 3,299.69-4,948.30-1,078.01

Finding the Fourth Proportional to 3,299.69, 4,948.30 and 1,078.01

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Solution

The fourth proportional to 3,299.69, 4,948.30 and 1,078.01 is: 1,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.69 : 4,948.30 = 1,078.01 : x
  2. Step 2: Convert to fraction form
    3,299.69/4,948.30 = 1,078.01/x
  3. Step 3: Cross multiply
    3,299.69x = 4,948.30 × 1,078.01
  4. Step 4: Simplify right side
    3,299.69x = 5,334,316.88
  5. Step 5: Solve for x
    x = 5,334,316.88/3,299.69
  6. Step 6: Final answer
    x = 1,616.61

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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.