Home / 2,205.23-3,311.01-1,934.60

Finding the Fourth Proportional to 2,205.23, 3,311.01 and 1,934.60

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Solution

The fourth proportional to 2,205.23, 3,311.01 and 1,934.60 is: 2,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.23 : 3,311.01 = 1,934.60 : x
  2. Step 2: Convert to fraction form
    2,205.23/3,311.01 = 1,934.60/x
  3. Step 3: Cross multiply
    2,205.23x = 3,311.01 × 1,934.60
  4. Step 4: Simplify right side
    2,205.23x = 6,405,463.39
  5. Step 5: Solve for x
    x = 6,405,463.39/2,205.23
  6. Step 6: Final answer
    x = 2,904.68

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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.