Home / 3,273.90-4,518.01-1,781.80

Finding the Fourth Proportional to 3,273.90, 4,518.01 and 1,781.80

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Solution

The fourth proportional to 3,273.90, 4,518.01 and 1,781.80 is: 2,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.90 : 4,518.01 = 1,781.80 : x
  2. Step 2: Convert to fraction form
    3,273.90/4,518.01 = 1,781.80/x
  3. Step 3: Cross multiply
    3,273.90x = 4,518.01 × 1,781.80
  4. Step 4: Simplify right side
    3,273.90x = 8,050,190.22
  5. Step 5: Solve for x
    x = 8,050,190.22/3,273.90
  6. Step 6: Final answer
    x = 2,458.90

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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.