Home / 3,486.27-5,221.17-2,750.94

Finding the Fourth Proportional to 3,486.27, 5,221.17 and 2,750.94

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Solution

The fourth proportional to 3,486.27, 5,221.17 and 2,750.94 is: 4,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.27 : 5,221.17 = 2,750.94 : x
  2. Step 2: Convert to fraction form
    3,486.27/5,221.17 = 2,750.94/x
  3. Step 3: Cross multiply
    3,486.27x = 5,221.17 × 2,750.94
  4. Step 4: Simplify right side
    3,486.27x = 14,363,125.40
  5. Step 5: Solve for x
    x = 14,363,125.40/3,486.27
  6. Step 6: Final answer
    x = 4,119.91

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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.