Home / 3,758.30-5,637.69-985.04

Finding the Fourth Proportional to 3,758.30, 5,637.69 and 985.04

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Solution

The fourth proportional to 3,758.30, 5,637.69 and 985.04 is: 1,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758.30 : 5,637.69 = 985.04 : x
  2. Step 2: Convert to fraction form
    3,758.30/5,637.69 = 985.04/x
  3. Step 3: Cross multiply
    3,758.30x = 5,637.69 × 985.04
  4. Step 4: Simplify right side
    3,758.30x = 5,553,321.97
  5. Step 5: Solve for x
    x = 5,553,321.97/3,758.30
  6. Step 6: Final answer
    x = 1,477.62

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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.