Home / 3,450.38-5,175.58-1,141.88

Finding the Fourth Proportional to 3,450.38, 5,175.58 and 1,141.88

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Solution

The fourth proportional to 3,450.38, 5,175.58 and 1,141.88 is: 1,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.38 : 5,175.58 = 1,141.88 : x
  2. Step 2: Convert to fraction form
    3,450.38/5,175.58 = 1,141.88/x
  3. Step 3: Cross multiply
    3,450.38x = 5,175.58 × 1,141.88
  4. Step 4: Simplify right side
    3,450.38x = 5,909,891.29
  5. Step 5: Solve for x
    x = 5,909,891.29/3,450.38
  6. Step 6: Final answer
    x = 1,712.82

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1.5x scale

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.