Home / 3,996.73-5,995.60-2,145.30

Finding the Fourth Proportional to 3,996.73, 5,995.60 and 2,145.30

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Solution

The fourth proportional to 3,996.73, 5,995.60 and 2,145.30 is: 3,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.73 : 5,995.60 = 2,145.30 : x
  2. Step 2: Convert to fraction form
    3,996.73/5,995.60 = 2,145.30/x
  3. Step 3: Cross multiply
    3,996.73x = 5,995.60 × 2,145.30
  4. Step 4: Simplify right side
    3,996.73x = 12,862,378.63
  5. Step 5: Solve for x
    x = 12,862,378.63/3,996.73
  6. Step 6: Final answer
    x = 3,218.23

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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.