Home / 3,725.45-5,579.61-2,161.58

Finding the Fourth Proportional to 3,725.45, 5,579.61 and 2,161.58

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Solution

The fourth proportional to 3,725.45, 5,579.61 and 2,161.58 is: 3,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.45 : 5,579.61 = 2,161.58 : x
  2. Step 2: Convert to fraction form
    3,725.45/5,579.61 = 2,161.58/x
  3. Step 3: Cross multiply
    3,725.45x = 5,579.61 × 2,161.58
  4. Step 4: Simplify right side
    3,725.45x = 12,060,745.49
  5. Step 5: Solve for x
    x = 12,060,745.49/3,725.45
  6. Step 6: Final answer
    x = 3,237.40

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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.