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Finding the Fourth Proportional to 2,754.84, 4,125.19 and 1,520.88

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Solution

The fourth proportional to 2,754.84, 4,125.19 and 1,520.88 is: 2,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.84 : 4,125.19 = 1,520.88 : x
  2. Step 2: Convert to fraction form
    2,754.84/4,125.19 = 1,520.88/x
  3. Step 3: Cross multiply
    2,754.84x = 4,125.19 × 1,520.88
  4. Step 4: Simplify right side
    2,754.84x = 6,273,918.97
  5. Step 5: Solve for x
    x = 6,273,918.97/2,754.84
  6. Step 6: Final answer
    x = 2,277.42

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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.