Home / 3,190.76-4,403.04-1,793.24

Finding the Fourth Proportional to 3,190.76, 4,403.04 and 1,793.24

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Solution

The fourth proportional to 3,190.76, 4,403.04 and 1,793.24 is: 2,474.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.76 : 4,403.04 = 1,793.24 : x
  2. Step 2: Convert to fraction form
    3,190.76/4,403.04 = 1,793.24/x
  3. Step 3: Cross multiply
    3,190.76x = 4,403.04 × 1,793.24
  4. Step 4: Simplify right side
    3,190.76x = 7,895,707.45
  5. Step 5: Solve for x
    x = 7,895,707.45/3,190.76
  6. Step 6: Final answer
    x = 2,474.55

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Half scale
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Double scale
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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.