Home / 3,687.36-5,528.40-2,042.88

Finding the Fourth Proportional to 3,687.36, 5,528.40 and 2,042.88

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Solution

The fourth proportional to 3,687.36, 5,528.40 and 2,042.88 is: 3,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.36 : 5,528.40 = 2,042.88 : x
  2. Step 2: Convert to fraction form
    3,687.36/5,528.40 = 2,042.88/x
  3. Step 3: Cross multiply
    3,687.36x = 5,528.40 × 2,042.88
  4. Step 4: Simplify right side
    3,687.36x = 11,293,857.79
  5. Step 5: Solve for x
    x = 11,293,857.79/3,687.36
  6. Step 6: Final answer
    x = 3,062.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.