Home / 3,623.38-5,434.89-2,123.23

Finding the Fourth Proportional to 3,623.38, 5,434.89 and 2,123.23

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Solution

The fourth proportional to 3,623.38, 5,434.89 and 2,123.23 is: 3,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.38 : 5,434.89 = 2,123.23 : x
  2. Step 2: Convert to fraction form
    3,623.38/5,434.89 = 2,123.23/x
  3. Step 3: Cross multiply
    3,623.38x = 5,434.89 × 2,123.23
  4. Step 4: Simplify right side
    3,623.38x = 11,539,523.75
  5. Step 5: Solve for x
    x = 11,539,523.75/3,623.38
  6. Step 6: Final answer
    x = 3,184.74

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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.