Home / 3,638.68-5,461.26-1,908.52

Finding the Fourth Proportional to 3,638.68, 5,461.26 and 1,908.52

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Solution

The fourth proportional to 3,638.68, 5,461.26 and 1,908.52 is: 2,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.68 : 5,461.26 = 1,908.52 : x
  2. Step 2: Convert to fraction form
    3,638.68/5,461.26 = 1,908.52/x
  3. Step 3: Cross multiply
    3,638.68x = 5,461.26 × 1,908.52
  4. Step 4: Simplify right side
    3,638.68x = 10,422,923.94
  5. Step 5: Solve for x
    x = 10,422,923.94/3,638.68
  6. Step 6: Final answer
    x = 2,864.48

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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.