Home / 3,513.22-5,266.41-2,856.43

Finding the Fourth Proportional to 3,513.22, 5,266.41 and 2,856.43

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Solution

The fourth proportional to 3,513.22, 5,266.41 and 2,856.43 is: 4,281.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.22 : 5,266.41 = 2,856.43 : x
  2. Step 2: Convert to fraction form
    3,513.22/5,266.41 = 2,856.43/x
  3. Step 3: Cross multiply
    3,513.22x = 5,266.41 × 2,856.43
  4. Step 4: Simplify right side
    3,513.22x = 15,043,131.52
  5. Step 5: Solve for x
    x = 15,043,131.52/3,513.22
  6. Step 6: Final answer
    x = 4,281.86

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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.