Home / 3,268.80-4,904.40-3,148.80

Finding the Fourth Proportional to 3,268.80, 4,904.40 and 3,148.80

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Solution

The fourth proportional to 3,268.80, 4,904.40 and 3,148.80 is: 4,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.80 : 4,904.40 = 3,148.80 : x
  2. Step 2: Convert to fraction form
    3,268.80/4,904.40 = 3,148.80/x
  3. Step 3: Cross multiply
    3,268.80x = 4,904.40 × 3,148.80
  4. Step 4: Simplify right side
    3,268.80x = 15,442,974.72
  5. Step 5: Solve for x
    x = 15,442,974.72/3,268.80
  6. Step 6: Final answer
    x = 4,724.36

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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.