Home / 3,962.90-5,942.67-2,113.62

Finding the Fourth Proportional to 3,962.90, 5,942.67 and 2,113.62

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Solution

The fourth proportional to 3,962.90, 5,942.67 and 2,113.62 is: 3,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,962.90 : 5,942.67 = 2,113.62 : x
  2. Step 2: Convert to fraction form
    3,962.90/5,942.67 = 2,113.62/x
  3. Step 3: Cross multiply
    3,962.90x = 5,942.67 × 2,113.62
  4. Step 4: Simplify right side
    3,962.90x = 12,560,546.17
  5. Step 5: Solve for x
    x = 12,560,546.17/3,962.90
  6. Step 6: Final answer
    x = 3,169.53

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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.