Home / 3,578.52-5,362.28-2,116.04

Finding the Fourth Proportional to 3,578.52, 5,362.28 and 2,116.04

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Solution

The fourth proportional to 3,578.52, 5,362.28 and 2,116.04 is: 3,170.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.52 : 5,362.28 = 2,116.04 : x
  2. Step 2: Convert to fraction form
    3,578.52/5,362.28 = 2,116.04/x
  3. Step 3: Cross multiply
    3,578.52x = 5,362.28 × 2,116.04
  4. Step 4: Simplify right side
    3,578.52x = 11,346,798.97
  5. Step 5: Solve for x
    x = 11,346,798.97/3,578.52
  6. Step 6: Final answer
    x = 3,170.81

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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.