Home / 2,127.14-3,186.45-1,662.60

Finding the Fourth Proportional to 2,127.14, 3,186.45 and 1,662.60

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Solution

The fourth proportional to 2,127.14, 3,186.45 and 1,662.60 is: 2,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.14 : 3,186.45 = 1,662.60 : x
  2. Step 2: Convert to fraction form
    2,127.14/3,186.45 = 1,662.60/x
  3. Step 3: Cross multiply
    2,127.14x = 3,186.45 × 1,662.60
  4. Step 4: Simplify right side
    2,127.14x = 5,297,791.77
  5. Step 5: Solve for x
    x = 5,297,791.77/2,127.14
  6. Step 6: Final answer
    x = 2,490.58

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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.