Home / 3,273.55-4,517.46-1,781.45

Finding the Fourth Proportional to 3,273.55, 4,517.46 and 1,781.45

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Solution

The fourth proportional to 3,273.55, 4,517.46 and 1,781.45 is: 2,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.55 : 4,517.46 = 1,781.45 : x
  2. Step 2: Convert to fraction form
    3,273.55/4,517.46 = 1,781.45/x
  3. Step 3: Cross multiply
    3,273.55x = 4,517.46 × 1,781.45
  4. Step 4: Simplify right side
    3,273.55x = 8,047,629.12
  5. Step 5: Solve for x
    x = 8,047,629.12/3,273.55
  6. Step 6: Final answer
    x = 2,458.38

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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.