Home / 2,754.31-4,129.62-1,522.30

Finding the Fourth Proportional to 2,754.31, 4,129.62 and 1,522.30

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Solution

The fourth proportional to 2,754.31, 4,129.62 and 1,522.30 is: 2,282.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.31 : 4,129.62 = 1,522.30 : x
  2. Step 2: Convert to fraction form
    2,754.31/4,129.62 = 1,522.30/x
  3. Step 3: Cross multiply
    2,754.31x = 4,129.62 × 1,522.30
  4. Step 4: Simplify right side
    2,754.31x = 6,286,520.53
  5. Step 5: Solve for x
    x = 6,286,520.53/2,754.31
  6. Step 6: Final answer
    x = 2,282.43

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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.