Home / 3,688.41-5,524.31-2,124.71

Finding the Fourth Proportional to 3,688.41, 5,524.31 and 2,124.71

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Solution

The fourth proportional to 3,688.41, 5,524.31 and 2,124.71 is: 3,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.41 : 5,524.31 = 2,124.71 : x
  2. Step 2: Convert to fraction form
    3,688.41/5,524.31 = 2,124.71/x
  3. Step 3: Cross multiply
    3,688.41x = 5,524.31 × 2,124.71
  4. Step 4: Simplify right side
    3,688.41x = 11,737,556.70
  5. Step 5: Solve for x
    x = 11,737,556.70/3,688.41
  6. Step 6: Final answer
    x = 3,182.28

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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.