Home / 3,540.12-4,881.36-2,262.30

Finding the Fourth Proportional to 3,540.12, 4,881.36 and 2,262.30

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Solution

The fourth proportional to 3,540.12, 4,881.36 and 2,262.30 is: 3,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.12 : 4,881.36 = 2,262.30 : x
  2. Step 2: Convert to fraction form
    3,540.12/4,881.36 = 2,262.30/x
  3. Step 3: Cross multiply
    3,540.12x = 4,881.36 × 2,262.30
  4. Step 4: Simplify right side
    3,540.12x = 11,043,100.73
  5. Step 5: Solve for x
    x = 11,043,100.73/3,540.12
  6. Step 6: Final answer
    x = 3,119.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.