Home / 2,170.62-2,995.43-1,175.87

Finding the Fourth Proportional to 2,170.62, 2,995.43 and 1,175.87

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Solution

The fourth proportional to 2,170.62, 2,995.43 and 1,175.87 is: 1,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.62 : 2,995.43 = 1,175.87 : x
  2. Step 2: Convert to fraction form
    2,170.62/2,995.43 = 1,175.87/x
  3. Step 3: Cross multiply
    2,170.62x = 2,995.43 × 1,175.87
  4. Step 4: Simplify right side
    2,170.62x = 3,522,237.88
  5. Step 5: Solve for x
    x = 3,522,237.88/2,170.62
  6. Step 6: Final answer
    x = 1,622.69

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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.