Home / 3,500.66-5,250.21-2,112.09

Finding the Fourth Proportional to 3,500.66, 5,250.21 and 2,112.09

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Solution

The fourth proportional to 3,500.66, 5,250.21 and 2,112.09 is: 3,167.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.66 : 5,250.21 = 2,112.09 : x
  2. Step 2: Convert to fraction form
    3,500.66/5,250.21 = 2,112.09/x
  3. Step 3: Cross multiply
    3,500.66x = 5,250.21 × 2,112.09
  4. Step 4: Simplify right side
    3,500.66x = 11,088,898.27
  5. Step 5: Solve for x
    x = 11,088,898.27/3,500.66
  6. Step 6: Final answer
    x = 3,167.66

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1.5x scale

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.