Home / 3,273.98-4,518.19-1,781.81

Finding the Fourth Proportional to 3,273.98, 4,518.19 and 1,781.81

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Solution

The fourth proportional to 3,273.98, 4,518.19 and 1,781.81 is: 2,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.98 : 4,518.19 = 1,781.81 : x
  2. Step 2: Convert to fraction form
    3,273.98/4,518.19 = 1,781.81/x
  3. Step 3: Cross multiply
    3,273.98x = 4,518.19 × 1,781.81
  4. Step 4: Simplify right side
    3,273.98x = 8,050,529.08
  5. Step 5: Solve for x
    x = 8,050,529.08/3,273.98
  6. Step 6: Final answer
    x = 2,458.95

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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.