Home / 4,288.26-5,918.08-2,399.72

Finding the Fourth Proportional to 4,288.26, 5,918.08 and 2,399.72

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Solution

The fourth proportional to 4,288.26, 5,918.08 and 2,399.72 is: 3,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.26 : 5,918.08 = 2,399.72 : x
  2. Step 2: Convert to fraction form
    4,288.26/5,918.08 = 2,399.72/x
  3. Step 3: Cross multiply
    4,288.26x = 5,918.08 × 2,399.72
  4. Step 4: Simplify right side
    4,288.26x = 14,201,745.63
  5. Step 5: Solve for x
    x = 14,201,745.63/4,288.26
  6. Step 6: Final answer
    x = 3,311.78

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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.