Home / 2,286.09-3,153.65-1,445.38

Finding the Fourth Proportional to 2,286.09, 3,153.65 and 1,445.38

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Solution

The fourth proportional to 2,286.09, 3,153.65 and 1,445.38 is: 1,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.09 : 3,153.65 = 1,445.38 : x
  2. Step 2: Convert to fraction form
    2,286.09/3,153.65 = 1,445.38/x
  3. Step 3: Cross multiply
    2,286.09x = 3,153.65 × 1,445.38
  4. Step 4: Simplify right side
    2,286.09x = 4,558,207.53
  5. Step 5: Solve for x
    x = 4,558,207.53/2,286.09
  6. Step 6: Final answer
    x = 1,993.89

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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.