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Finding the Fourth Proportional to 2,379.05, 3,301.02 and 2,311.01

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Solution

The fourth proportional to 2,379.05, 3,301.02 and 2,311.01 is: 3,206.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.05 : 3,301.02 = 2,311.01 : x
  2. Step 2: Convert to fraction form
    2,379.05/3,301.02 = 2,311.01/x
  3. Step 3: Cross multiply
    2,379.05x = 3,301.02 × 2,311.01
  4. Step 4: Simplify right side
    2,379.05x = 7,628,690.23
  5. Step 5: Solve for x
    x = 7,628,690.23/2,379.05
  6. Step 6: Final answer
    x = 3,206.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.