Home / 3,750.10-5,629.20-2,109.85

Finding the Fourth Proportional to 3,750.10, 5,629.20 and 2,109.85

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Solution

The fourth proportional to 3,750.10, 5,629.20 and 2,109.85 is: 3,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.10 : 5,629.20 = 2,109.85 : x
  2. Step 2: Convert to fraction form
    3,750.10/5,629.20 = 2,109.85/x
  3. Step 3: Cross multiply
    3,750.10x = 5,629.20 × 2,109.85
  4. Step 4: Simplify right side
    3,750.10x = 11,876,767.62
  5. Step 5: Solve for x
    x = 11,876,767.62/3,750.10
  6. Step 6: Final answer
    x = 3,167.05

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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.