Home / 3,408.30-5,084.73-3,089.99

Finding the Fourth Proportional to 3,408.30, 5,084.73 and 3,089.99

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Solution

The fourth proportional to 3,408.30, 5,084.73 and 3,089.99 is: 4,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.30 : 5,084.73 = 3,089.99 : x
  2. Step 2: Convert to fraction form
    3,408.30/5,084.73 = 3,089.99/x
  3. Step 3: Cross multiply
    3,408.30x = 5,084.73 × 3,089.99
  4. Step 4: Simplify right side
    3,408.30x = 15,711,739.43
  5. Step 5: Solve for x
    x = 15,711,739.43/3,408.30
  6. Step 6: Final answer
    x = 4,609.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.