Home / 4,288.20-5,917.65-2,399.75

Finding the Fourth Proportional to 4,288.20, 5,917.65 and 2,399.75

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Solution

The fourth proportional to 4,288.20, 5,917.65 and 2,399.75 is: 3,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.20 : 5,917.65 = 2,399.75 : x
  2. Step 2: Convert to fraction form
    4,288.20/5,917.65 = 2,399.75/x
  3. Step 3: Cross multiply
    4,288.20x = 5,917.65 × 2,399.75
  4. Step 4: Simplify right side
    4,288.20x = 14,200,880.59
  5. Step 5: Solve for x
    x = 14,200,880.59/4,288.20
  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.