Home / 4,288.36-5,918.04-2,399.88

Finding the Fourth Proportional to 4,288.36, 5,918.04 and 2,399.88

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Solution

The fourth proportional to 4,288.36, 5,918.04 and 2,399.88 is: 3,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.36 : 5,918.04 = 2,399.88 : x
  2. Step 2: Convert to fraction form
    4,288.36/5,918.04 = 2,399.88/x
  3. Step 3: Cross multiply
    4,288.36x = 5,918.04 × 2,399.88
  4. Step 4: Simplify right side
    4,288.36x = 14,202,585.84
  5. Step 5: Solve for x
    x = 14,202,585.84/4,288.36
  6. Step 6: Final answer
    x = 3,311.89

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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.