Home / 3,190.86-4,403.52-1,793.64

Finding the Fourth Proportional to 3,190.86, 4,403.52 and 1,793.64

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Solution

The fourth proportional to 3,190.86, 4,403.52 and 1,793.64 is: 2,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.86 : 4,403.52 = 1,793.64 : x
  2. Step 2: Convert to fraction form
    3,190.86/4,403.52 = 1,793.64/x
  3. Step 3: Cross multiply
    3,190.86x = 4,403.52 × 1,793.64
  4. Step 4: Simplify right side
    3,190.86x = 7,898,329.61
  5. Step 5: Solve for x
    x = 7,898,329.61/3,190.86
  6. Step 6: Final answer
    x = 2,475.30

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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.