Home / 3,310.05-4,963.48-1,923.78

Finding the Fourth Proportional to 3,310.05, 4,963.48 and 1,923.78

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Solution

The fourth proportional to 3,310.05, 4,963.48 and 1,923.78 is: 2,884.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.05 : 4,963.48 = 1,923.78 : x
  2. Step 2: Convert to fraction form
    3,310.05/4,963.48 = 1,923.78/x
  3. Step 3: Cross multiply
    3,310.05x = 4,963.48 × 1,923.78
  4. Step 4: Simplify right side
    3,310.05x = 9,548,643.55
  5. Step 5: Solve for x
    x = 9,548,643.55/3,310.05
  6. Step 6: Final answer
    x = 2,884.74

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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.