Home / 3,500.10-5,250.15-2,021.85

Finding the Fourth Proportional to 3,500.10, 5,250.15 and 2,021.85

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Solution

The fourth proportional to 3,500.10, 5,250.15 and 2,021.85 is: 3,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.10 : 5,250.15 = 2,021.85 : x
  2. Step 2: Convert to fraction form
    3,500.10/5,250.15 = 2,021.85/x
  3. Step 3: Cross multiply
    3,500.10x = 5,250.15 × 2,021.85
  4. Step 4: Simplify right side
    3,500.10x = 10,615,015.78
  5. Step 5: Solve for x
    x = 10,615,015.78/3,500.10
  6. Step 6: Final answer
    x = 3,032.78

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Similar ratio
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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.