Home / 3,190.80-4,403.28-1,793.52

Finding the Fourth Proportional to 3,190.80, 4,403.28 and 1,793.52

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Solution

The fourth proportional to 3,190.80, 4,403.28 and 1,793.52 is: 2,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.80 : 4,403.28 = 1,793.52 : x
  2. Step 2: Convert to fraction form
    3,190.80/4,403.28 = 1,793.52/x
  3. Step 3: Cross multiply
    3,190.80x = 4,403.28 × 1,793.52
  4. Step 4: Simplify right side
    3,190.80x = 7,897,370.75
  5. Step 5: Solve for x
    x = 7,897,370.75/3,190.80
  6. Step 6: Final answer
    x = 2,475.04

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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.