Home / 4,288.09-5,917.72-2,399.66

Finding the Fourth Proportional to 4,288.09, 5,917.72 and 2,399.66

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Solution

The fourth proportional to 4,288.09, 5,917.72 and 2,399.66 is: 3,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.09 : 5,917.72 = 2,399.66 : x
  2. Step 2: Convert to fraction form
    4,288.09/5,917.72 = 2,399.66/x
  3. Step 3: Cross multiply
    4,288.09x = 5,917.72 × 2,399.66
  4. Step 4: Simplify right side
    4,288.09x = 14,200,515.98
  5. Step 5: Solve for x
    x = 14,200,515.98/4,288.09
  6. Step 6: Final answer
    x = 3,311.62

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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.