Home / 3,640.23-5,454.84-2,711.43

Finding the Fourth Proportional to 3,640.23, 5,454.84 and 2,711.43

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Solution

The fourth proportional to 3,640.23, 5,454.84 and 2,711.43 is: 4,063.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.23 : 5,454.84 = 2,711.43 : x
  2. Step 2: Convert to fraction form
    3,640.23/5,454.84 = 2,711.43/x
  3. Step 3: Cross multiply
    3,640.23x = 5,454.84 × 2,711.43
  4. Step 4: Simplify right side
    3,640.23x = 14,790,416.82
  5. Step 5: Solve for x
    x = 14,790,416.82/3,640.23
  6. Step 6: Final answer
    x = 4,063.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.