Home / 3,516.47-5,266.43-2,786.52

Finding the Fourth Proportional to 3,516.47, 5,266.43 and 2,786.52

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Solution

The fourth proportional to 3,516.47, 5,266.43 and 2,786.52 is: 4,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.47 : 5,266.43 = 2,786.52 : x
  2. Step 2: Convert to fraction form
    3,516.47/5,266.43 = 2,786.52/x
  3. Step 3: Cross multiply
    3,516.47x = 5,266.43 × 2,786.52
  4. Step 4: Simplify right side
    3,516.47x = 14,675,012.52
  5. Step 5: Solve for x
    x = 14,675,012.52/3,516.47
  6. Step 6: Final answer
    x = 4,173.22

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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.