Home / 4,078.88-5,628.58-2,399.96

Finding the Fourth Proportional to 4,078.88, 5,628.58 and 2,399.96

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Solution

The fourth proportional to 4,078.88, 5,628.58 and 2,399.96 is: 3,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.88 : 5,628.58 = 2,399.96 : x
  2. Step 2: Convert to fraction form
    4,078.88/5,628.58 = 2,399.96/x
  3. Step 3: Cross multiply
    4,078.88x = 5,628.58 × 2,399.96
  4. Step 4: Simplify right side
    4,078.88x = 13,508,332.71
  5. Step 5: Solve for x
    x = 13,508,332.71/4,078.88
  6. Step 6: Final answer
    x = 3,311.78

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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.