Home / 3,536.78-5,305.26-1,228.28

Finding the Fourth Proportional to 3,536.78, 5,305.26 and 1,228.28

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Solution

The fourth proportional to 3,536.78, 5,305.26 and 1,228.28 is: 1,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.78 : 5,305.26 = 1,228.28 : x
  2. Step 2: Convert to fraction form
    3,536.78/5,305.26 = 1,228.28/x
  3. Step 3: Cross multiply
    3,536.78x = 5,305.26 × 1,228.28
  4. Step 4: Simplify right side
    3,536.78x = 6,516,344.75
  5. Step 5: Solve for x
    x = 6,516,344.75/3,536.78
  6. Step 6: Final answer
    x = 1,842.45

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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.