Home / 2,625.67-3,622.79-1,729.31

Finding the Fourth Proportional to 2,625.67, 3,622.79 and 1,729.31

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Solution

The fourth proportional to 2,625.67, 3,622.79 and 1,729.31 is: 2,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.67 : 3,622.79 = 1,729.31 : x
  2. Step 2: Convert to fraction form
    2,625.67/3,622.79 = 1,729.31/x
  3. Step 3: Cross multiply
    2,625.67x = 3,622.79 × 1,729.31
  4. Step 4: Simplify right side
    2,625.67x = 6,264,918.33
  5. Step 5: Solve for x
    x = 6,264,918.33/2,625.67
  6. Step 6: Final answer
    x = 2,386.03

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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.