Home / 4,288.38-5,917.92-2,400

Finding the Fourth Proportional to 4,288.38, 5,917.92 and 2,400

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Solution

The fourth proportional to 4,288.38, 5,917.92 and 2,400 is: 3,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.38 : 5,917.92 = 2,400 : x
  2. Step 2: Convert to fraction form
    4,288.38/5,917.92 = 2,400/x
  3. Step 3: Cross multiply
    4,288.38x = 5,917.92 × 2,400
  4. Step 4: Simplify right side
    4,288.38x = 14,203,008
  5. Step 5: Solve for x
    x = 14,203,008/4,288.38
  6. Step 6: Final answer
    x = 3,311.98

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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.