Home / 2,095.62-2,892.09-1,211.64

Finding the Fourth Proportional to 2,095.62, 2,892.09 and 1,211.64

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Solution

The fourth proportional to 2,095.62, 2,892.09 and 1,211.64 is: 1,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.62 : 2,892.09 = 1,211.64 : x
  2. Step 2: Convert to fraction form
    2,095.62/2,892.09 = 1,211.64/x
  3. Step 3: Cross multiply
    2,095.62x = 2,892.09 × 1,211.64
  4. Step 4: Simplify right side
    2,095.62x = 3,504,171.93
  5. Step 5: Solve for x
    x = 3,504,171.93/2,095.62
  6. Step 6: Final answer
    x = 1,672.14

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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.