Home / 3,960.63-5,464.26-2,388.42

Finding the Fourth Proportional to 3,960.63, 5,464.26 and 2,388.42

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Solution

The fourth proportional to 3,960.63, 5,464.26 and 2,388.42 is: 3,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.63 : 5,464.26 = 2,388.42 : x
  2. Step 2: Convert to fraction form
    3,960.63/5,464.26 = 2,388.42/x
  3. Step 3: Cross multiply
    3,960.63x = 5,464.26 × 2,388.42
  4. Step 4: Simplify right side
    3,960.63x = 13,050,947.87
  5. Step 5: Solve for x
    x = 13,050,947.87/3,960.63
  6. Step 6: Final answer
    x = 3,295.17

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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.