Home / 2,175.12-3,001.83-1,335.62

Finding the Fourth Proportional to 2,175.12, 3,001.83 and 1,335.62

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Solution

The fourth proportional to 2,175.12, 3,001.83 and 1,335.62 is: 1,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.12 : 3,001.83 = 1,335.62 : x
  2. Step 2: Convert to fraction form
    2,175.12/3,001.83 = 1,335.62/x
  3. Step 3: Cross multiply
    2,175.12x = 3,001.83 × 1,335.62
  4. Step 4: Simplify right side
    2,175.12x = 4,009,306.68
  5. Step 5: Solve for x
    x = 4,009,306.68/2,175.12
  6. Step 6: Final answer
    x = 1,843.26

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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.