Home / 2,286.93-3,156.57-1,578.89

Finding the Fourth Proportional to 2,286.93, 3,156.57 and 1,578.89

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Solution

The fourth proportional to 2,286.93, 3,156.57 and 1,578.89 is: 2,179.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.93 : 3,156.57 = 1,578.89 : x
  2. Step 2: Convert to fraction form
    2,286.93/3,156.57 = 1,578.89/x
  3. Step 3: Cross multiply
    2,286.93x = 3,156.57 × 1,578.89
  4. Step 4: Simplify right side
    2,286.93x = 4,983,884.70
  5. Step 5: Solve for x
    x = 4,983,884.70/2,286.93
  6. Step 6: Final answer
    x = 2,179.29

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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.