Home / 2,446.14-3,666.29-1,128.09

Finding the Fourth Proportional to 2,446.14, 3,666.29 and 1,128.09

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Solution

The fourth proportional to 2,446.14, 3,666.29 and 1,128.09 is: 1,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.14 : 3,666.29 = 1,128.09 : x
  2. Step 2: Convert to fraction form
    2,446.14/3,666.29 = 1,128.09/x
  3. Step 3: Cross multiply
    2,446.14x = 3,666.29 × 1,128.09
  4. Step 4: Simplify right side
    2,446.14x = 4,135,913.19
  5. Step 5: Solve for x
    x = 4,135,913.19/2,446.14
  6. Step 6: Final answer
    x = 1,690.79

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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.