Home / 3,347.82-5,021.78-1,268.79

Finding the Fourth Proportional to 3,347.82, 5,021.78 and 1,268.79

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Solution

The fourth proportional to 3,347.82, 5,021.78 and 1,268.79 is: 1,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.82 : 5,021.78 = 1,268.79 : x
  2. Step 2: Convert to fraction form
    3,347.82/5,021.78 = 1,268.79/x
  3. Step 3: Cross multiply
    3,347.82x = 5,021.78 × 1,268.79
  4. Step 4: Simplify right side
    3,347.82x = 6,371,584.25
  5. Step 5: Solve for x
    x = 6,371,584.25/3,347.82
  6. Step 6: Final answer
    x = 1,903.20

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1.5x scale

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.