Home / 3,904.82-5,388.21-2,332.34

Finding the Fourth Proportional to 3,904.82, 5,388.21 and 2,332.34

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Solution

The fourth proportional to 3,904.82, 5,388.21 and 2,332.34 is: 3,218.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.82 : 5,388.21 = 2,332.34 : x
  2. Step 2: Convert to fraction form
    3,904.82/5,388.21 = 2,332.34/x
  3. Step 3: Cross multiply
    3,904.82x = 5,388.21 × 2,332.34
  4. Step 4: Simplify right side
    3,904.82x = 12,567,137.71
  5. Step 5: Solve for x
    x = 12,567,137.71/3,904.82
  6. Step 6: Final answer
    x = 3,218.37

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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.