Home / 3,990.22-5,989.03-2,017.24

Finding the Fourth Proportional to 3,990.22, 5,989.03 and 2,017.24

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Solution

The fourth proportional to 3,990.22, 5,989.03 and 2,017.24 is: 3,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990.22 : 5,989.03 = 2,017.24 : x
  2. Step 2: Convert to fraction form
    3,990.22/5,989.03 = 2,017.24/x
  3. Step 3: Cross multiply
    3,990.22x = 5,989.03 × 2,017.24
  4. Step 4: Simplify right side
    3,990.22x = 12,081,313.29
  5. Step 5: Solve for x
    x = 12,081,313.29/3,990.22
  6. Step 6: Final answer
    x = 3,027.73

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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.