Home / 2,290.62-3,160.99-1,295.85

Finding the Fourth Proportional to 2,290.62, 3,160.99 and 1,295.85

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Solution

The fourth proportional to 2,290.62, 3,160.99 and 1,295.85 is: 1,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.62 : 3,160.99 = 1,295.85 : x
  2. Step 2: Convert to fraction form
    2,290.62/3,160.99 = 1,295.85/x
  3. Step 3: Cross multiply
    2,290.62x = 3,160.99 × 1,295.85
  4. Step 4: Simplify right side
    2,290.62x = 4,096,168.89
  5. Step 5: Solve for x
    x = 4,096,168.89/2,290.62
  6. Step 6: Final answer
    x = 1,788.24

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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.