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Finding the Fourth Proportional to 2,754.55, 3,790.01 and 2,380.33

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Solution

The fourth proportional to 2,754.55, 3,790.01 and 2,380.33 is: 3,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.55 : 3,790.01 = 2,380.33 : x
  2. Step 2: Convert to fraction form
    2,754.55/3,790.01 = 2,380.33/x
  3. Step 3: Cross multiply
    2,754.55x = 3,790.01 × 2,380.33
  4. Step 4: Simplify right side
    2,754.55x = 9,021,470.98
  5. Step 5: Solve for x
    x = 9,021,470.98/2,754.55
  6. Step 6: Final answer
    x = 3,275.12

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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.