Home / 2,864.14-4,286.63-1,631.22

Finding the Fourth Proportional to 2,864.14, 4,286.63 and 1,631.22

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Solution

The fourth proportional to 2,864.14, 4,286.63 and 1,631.22 is: 2,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.14 : 4,286.63 = 1,631.22 : x
  2. Step 2: Convert to fraction form
    2,864.14/4,286.63 = 1,631.22/x
  3. Step 3: Cross multiply
    2,864.14x = 4,286.63 × 1,631.22
  4. Step 4: Simplify right side
    2,864.14x = 6,992,419.23
  5. Step 5: Solve for x
    x = 6,992,419.23/2,864.14
  6. Step 6: Final answer
    x = 2,441.37

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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.