Home / 1,682.30-2,523.50-449.70

Finding the Fourth Proportional to 1,682.30, 2,523.50 and 449.70

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Solution

The fourth proportional to 1,682.30, 2,523.50 and 449.70 is: 674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.30 : 2,523.50 = 449.70 : x
  2. Step 2: Convert to fraction form
    1,682.30/2,523.50 = 449.70/x
  3. Step 3: Cross multiply
    1,682.30x = 2,523.50 × 449.70
  4. Step 4: Simplify right side
    1,682.30x = 1,134,815.70
  5. Step 5: Solve for x
    x = 1,134,815.70/1,682.30
  6. Step 6: Final answer
    x = 674.56

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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.