Home / 2,268.15-3,402.57-1,228.30

Finding the Fourth Proportional to 2,268.15, 3,402.57 and 1,228.30

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Solution

The fourth proportional to 2,268.15, 3,402.57 and 1,228.30 is: 1,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.15 : 3,402.57 = 1,228.30 : x
  2. Step 2: Convert to fraction form
    2,268.15/3,402.57 = 1,228.30/x
  3. Step 3: Cross multiply
    2,268.15x = 3,402.57 × 1,228.30
  4. Step 4: Simplify right side
    2,268.15x = 4,179,376.73
  5. Step 5: Solve for x
    x = 4,179,376.73/2,268.15
  6. Step 6: Final answer
    x = 1,842.64

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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.