Home / 3,190.68-4,403.38-1,793.56

Finding the Fourth Proportional to 3,190.68, 4,403.38 and 1,793.56

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Solution

The fourth proportional to 3,190.68, 4,403.38 and 1,793.56 is: 2,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.68 : 4,403.38 = 1,793.56 : x
  2. Step 2: Convert to fraction form
    3,190.68/4,403.38 = 1,793.56/x
  3. Step 3: Cross multiply
    3,190.68x = 4,403.38 × 1,793.56
  4. Step 4: Simplify right side
    3,190.68x = 7,897,726.23
  5. Step 5: Solve for x
    x = 7,897,726.23/3,190.68
  6. Step 6: Final answer
    x = 2,475.25

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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.