Home / 3,688.38-5,524.26-2,124.68

Finding the Fourth Proportional to 3,688.38, 5,524.26 and 2,124.68

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Solution

The fourth proportional to 3,688.38, 5,524.26 and 2,124.68 is: 3,182.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.38 : 5,524.26 = 2,124.68 : x
  2. Step 2: Convert to fraction form
    3,688.38/5,524.26 = 2,124.68/x
  3. Step 3: Cross multiply
    3,688.38x = 5,524.26 × 2,124.68
  4. Step 4: Simplify right side
    3,688.38x = 11,737,257.12
  5. Step 5: Solve for x
    x = 11,737,257.12/3,688.38
  6. Step 6: Final answer
    x = 3,182.23

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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.