Home / 3,654.68-5,043.84-2,239.31

Finding the Fourth Proportional to 3,654.68, 5,043.84 and 2,239.31

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Solution

The fourth proportional to 3,654.68, 5,043.84 and 2,239.31 is: 3,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.68 : 5,043.84 = 2,239.31 : x
  2. Step 2: Convert to fraction form
    3,654.68/5,043.84 = 2,239.31/x
  3. Step 3: Cross multiply
    3,654.68x = 5,043.84 × 2,239.31
  4. Step 4: Simplify right side
    3,654.68x = 11,294,721.35
  5. Step 5: Solve for x
    x = 11,294,721.35/3,654.68
  6. Step 6: Final answer
    x = 3,090.48

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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.