Home / 3,805.04-5,708.32-1,857.28

Finding the Fourth Proportional to 3,805.04, 5,708.32 and 1,857.28

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Solution

The fourth proportional to 3,805.04, 5,708.32 and 1,857.28 is: 2,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.04 : 5,708.32 = 1,857.28 : x
  2. Step 2: Convert to fraction form
    3,805.04/5,708.32 = 1,857.28/x
  3. Step 3: Cross multiply
    3,805.04x = 5,708.32 × 1,857.28
  4. Step 4: Simplify right side
    3,805.04x = 10,601,948.57
  5. Step 5: Solve for x
    x = 10,601,948.57/3,805.04
  6. Step 6: Final answer
    x = 2,786.29

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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.