Home / 3,960.36-5,464.26-2,387.34

Finding the Fourth Proportional to 3,960.36, 5,464.26 and 2,387.34

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Solution

The fourth proportional to 3,960.36, 5,464.26 and 2,387.34 is: 3,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.36 : 5,464.26 = 2,387.34 : x
  2. Step 2: Convert to fraction form
    3,960.36/5,464.26 = 2,387.34/x
  3. Step 3: Cross multiply
    3,960.36x = 5,464.26 × 2,387.34
  4. Step 4: Simplify right side
    3,960.36x = 13,045,046.47
  5. Step 5: Solve for x
    x = 13,045,046.47/3,960.36
  6. Step 6: Final answer
    x = 3,293.90

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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.