Home / 3,740.14-5,161.62-2,146.90

Finding the Fourth Proportional to 3,740.14, 5,161.62 and 2,146.90

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Solution

The fourth proportional to 3,740.14, 5,161.62 and 2,146.90 is: 2,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.14 : 5,161.62 = 2,146.90 : x
  2. Step 2: Convert to fraction form
    3,740.14/5,161.62 = 2,146.90/x
  3. Step 3: Cross multiply
    3,740.14x = 5,161.62 × 2,146.90
  4. Step 4: Simplify right side
    3,740.14x = 11,081,481.98
  5. Step 5: Solve for x
    x = 11,081,481.98/3,740.14
  6. Step 6: Final answer
    x = 2,962.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.