Home / 3,990.23-5,507.18-3,044.24

Finding the Fourth Proportional to 3,990.23, 5,507.18 and 3,044.24

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Solution

The fourth proportional to 3,990.23, 5,507.18 and 3,044.24 is: 4,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990.23 : 5,507.18 = 3,044.24 : x
  2. Step 2: Convert to fraction form
    3,990.23/5,507.18 = 3,044.24/x
  3. Step 3: Cross multiply
    3,990.23x = 5,507.18 × 3,044.24
  4. Step 4: Simplify right side
    3,990.23x = 16,765,177.64
  5. Step 5: Solve for x
    x = 16,765,177.64/3,990.23
  6. Step 6: Final answer
    x = 4,201.56

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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.