Home / 1,623.27-2,434.97-453.30

Finding the Fourth Proportional to 1,623.27, 2,434.97 and 453.30

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Solution

The fourth proportional to 1,623.27, 2,434.97 and 453.30 is: 679.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.27 : 2,434.97 = 453.30 : x
  2. Step 2: Convert to fraction form
    1,623.27/2,434.97 = 453.30/x
  3. Step 3: Cross multiply
    1,623.27x = 2,434.97 × 453.30
  4. Step 4: Simplify right side
    1,623.27x = 1,103,771.90
  5. Step 5: Solve for x
    x = 1,103,771.90/1,623.27
  6. Step 6: Final answer
    x = 679.97

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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.