Home / 3,403.30-5,101.34-1,939.30

Finding the Fourth Proportional to 3,403.30, 5,101.34 and 1,939.30

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Solution

The fourth proportional to 3,403.30, 5,101.34 and 1,939.30 is: 2,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.30 : 5,101.34 = 1,939.30 : x
  2. Step 2: Convert to fraction form
    3,403.30/5,101.34 = 1,939.30/x
  3. Step 3: Cross multiply
    3,403.30x = 5,101.34 × 1,939.30
  4. Step 4: Simplify right side
    3,403.30x = 9,893,028.66
  5. Step 5: Solve for x
    x = 9,893,028.66/3,403.30
  6. Step 6: Final answer
    x = 2,906.89

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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.