Home / 3,348.78-5,022.49-1,268.07

Finding the Fourth Proportional to 3,348.78, 5,022.49 and 1,268.07

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Solution

The fourth proportional to 3,348.78, 5,022.49 and 1,268.07 is: 1,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.78 : 5,022.49 = 1,268.07 : x
  2. Step 2: Convert to fraction form
    3,348.78/5,022.49 = 1,268.07/x
  3. Step 3: Cross multiply
    3,348.78x = 5,022.49 × 1,268.07
  4. Step 4: Simplify right side
    3,348.78x = 6,368,865.72
  5. Step 5: Solve for x
    x = 6,368,865.72/3,348.78
  6. Step 6: Final answer
    x = 1,901.85

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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.