Home / 3,922.23-5,885.37-2,606.90

Finding the Fourth Proportional to 3,922.23, 5,885.37 and 2,606.90

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Solution

The fourth proportional to 3,922.23, 5,885.37 and 2,606.90 is: 3,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.23 : 5,885.37 = 2,606.90 : x
  2. Step 2: Convert to fraction form
    3,922.23/5,885.37 = 2,606.90/x
  3. Step 3: Cross multiply
    3,922.23x = 5,885.37 × 2,606.90
  4. Step 4: Simplify right side
    3,922.23x = 15,342,571.05
  5. Step 5: Solve for x
    x = 15,342,571.05/3,922.23
  6. Step 6: Final answer
    x = 3,911.70

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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.