Home / 2,175.48-3,001.50-1,243.98

Finding the Fourth Proportional to 2,175.48, 3,001.50 and 1,243.98

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Solution

The fourth proportional to 2,175.48, 3,001.50 and 1,243.98 is: 1,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.48 : 3,001.50 = 1,243.98 : x
  2. Step 2: Convert to fraction form
    2,175.48/3,001.50 = 1,243.98/x
  3. Step 3: Cross multiply
    2,175.48x = 3,001.50 × 1,243.98
  4. Step 4: Simplify right side
    2,175.48x = 3,733,805.97
  5. Step 5: Solve for x
    x = 3,733,805.97/2,175.48
  6. Step 6: Final answer
    x = 1,716.31

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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.