Home / 3,859.82-5,322.54-3,302.13

Finding the Fourth Proportional to 3,859.82, 5,322.54 and 3,302.13

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Solution

The fourth proportional to 3,859.82, 5,322.54 and 3,302.13 is: 4,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.82 : 5,322.54 = 3,302.13 : x
  2. Step 2: Convert to fraction form
    3,859.82/5,322.54 = 3,302.13/x
  3. Step 3: Cross multiply
    3,859.82x = 5,322.54 × 3,302.13
  4. Step 4: Simplify right side
    3,859.82x = 17,575,751.35
  5. Step 5: Solve for x
    x = 17,575,751.35/3,859.82
  6. Step 6: Final answer
    x = 4,553.52

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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.