Home / 2,231.88-3,348.24-845.64

Finding the Fourth Proportional to 2,231.88, 3,348.24 and 845.64

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Solution

The fourth proportional to 2,231.88, 3,348.24 and 845.64 is: 1,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.88 : 3,348.24 = 845.64 : x
  2. Step 2: Convert to fraction form
    2,231.88/3,348.24 = 845.64/x
  3. Step 3: Cross multiply
    2,231.88x = 3,348.24 × 845.64
  4. Step 4: Simplify right side
    2,231.88x = 2,831,405.67
  5. Step 5: Solve for x
    x = 2,831,405.67/2,231.88
  6. Step 6: Final answer
    x = 1,268.62

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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.