Home / 3,038.99-4,195.83-2,829.68

Finding the Fourth Proportional to 3,038.99, 4,195.83 and 2,829.68

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Solution

The fourth proportional to 3,038.99, 4,195.83 and 2,829.68 is: 3,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.99 : 4,195.83 = 2,829.68 : x
  2. Step 2: Convert to fraction form
    3,038.99/4,195.83 = 2,829.68/x
  3. Step 3: Cross multiply
    3,038.99x = 4,195.83 × 2,829.68
  4. Step 4: Simplify right side
    3,038.99x = 11,872,861.33
  5. Step 5: Solve for x
    x = 11,872,861.33/3,038.99
  6. Step 6: Final answer
    x = 3,906.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.