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Finding the Fourth Proportional to 3,227.95, 4,454.63 and 1,811.95

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Solution

The fourth proportional to 3,227.95, 4,454.63 and 1,811.95 is: 2,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.95 : 4,454.63 = 1,811.95 : x
  2. Step 2: Convert to fraction form
    3,227.95/4,454.63 = 1,811.95/x
  3. Step 3: Cross multiply
    3,227.95x = 4,454.63 × 1,811.95
  4. Step 4: Simplify right side
    3,227.95x = 8,071,566.83
  5. Step 5: Solve for x
    x = 8,071,566.83/3,227.95
  6. Step 6: Final answer
    x = 2,500.52

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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.