Home / 2,591.37-3,881.19-2,002.23

Finding the Fourth Proportional to 2,591.37, 3,881.19 and 2,002.23

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Solution

The fourth proportional to 2,591.37, 3,881.19 and 2,002.23 is: 2,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.37 : 3,881.19 = 2,002.23 : x
  2. Step 2: Convert to fraction form
    2,591.37/3,881.19 = 2,002.23/x
  3. Step 3: Cross multiply
    2,591.37x = 3,881.19 × 2,002.23
  4. Step 4: Simplify right side
    2,591.37x = 7,771,035.05
  5. Step 5: Solve for x
    x = 7,771,035.05/2,591.37
  6. Step 6: Final answer
    x = 2,998.81

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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.