Home / 2,528.46-3,489.53-1,520.49

Finding the Fourth Proportional to 2,528.46, 3,489.53 and 1,520.49

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Solution

The fourth proportional to 2,528.46, 3,489.53 and 1,520.49 is: 2,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.46 : 3,489.53 = 1,520.49 : x
  2. Step 2: Convert to fraction form
    2,528.46/3,489.53 = 1,520.49/x
  3. Step 3: Cross multiply
    2,528.46x = 3,489.53 × 1,520.49
  4. Step 4: Simplify right side
    2,528.46x = 5,305,789.88
  5. Step 5: Solve for x
    x = 5,305,789.88/2,528.46
  6. Step 6: Final answer
    x = 2,098.43

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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.