Home / 4,079.39-5,629.54-2,311.33

Finding the Fourth Proportional to 4,079.39, 5,629.54 and 2,311.33

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Solution

The fourth proportional to 4,079.39, 5,629.54 and 2,311.33 is: 3,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.39 : 5,629.54 = 2,311.33 : x
  2. Step 2: Convert to fraction form
    4,079.39/5,629.54 = 2,311.33/x
  3. Step 3: Cross multiply
    4,079.39x = 5,629.54 × 2,311.33
  4. Step 4: Simplify right side
    4,079.39x = 13,011,704.84
  5. Step 5: Solve for x
    x = 13,011,704.84/4,079.39
  6. Step 6: Final answer
    x = 3,189.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.