Home / 3,348.48-5,021.96-1,268.72

Finding the Fourth Proportional to 3,348.48, 5,021.96 and 1,268.72

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Solution

The fourth proportional to 3,348.48, 5,021.96 and 1,268.72 is: 1,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.48 : 5,021.96 = 1,268.72 : x
  2. Step 2: Convert to fraction form
    3,348.48/5,021.96 = 1,268.72/x
  3. Step 3: Cross multiply
    3,348.48x = 5,021.96 × 1,268.72
  4. Step 4: Simplify right side
    3,348.48x = 6,371,461.09
  5. Step 5: Solve for x
    x = 6,371,461.09/3,348.48
  6. Step 6: Final answer
    x = 1,902.79

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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.