Home / 3,721.63-5,577.67-1,640.29

Finding the Fourth Proportional to 3,721.63, 5,577.67 and 1,640.29

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Solution

The fourth proportional to 3,721.63, 5,577.67 and 1,640.29 is: 2,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.63 : 5,577.67 = 1,640.29 : x
  2. Step 2: Convert to fraction form
    3,721.63/5,577.67 = 1,640.29/x
  3. Step 3: Cross multiply
    3,721.63x = 5,577.67 × 1,640.29
  4. Step 4: Simplify right side
    3,721.63x = 9,148,996.32
  5. Step 5: Solve for x
    x = 9,148,996.32/3,721.63
  6. Step 6: Final answer
    x = 2,458.33

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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.