Home / 3,616.36-5,425.32-1,276.27

Finding the Fourth Proportional to 3,616.36, 5,425.32 and 1,276.27

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Solution

The fourth proportional to 3,616.36, 5,425.32 and 1,276.27 is: 1,914.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.36 : 5,425.32 = 1,276.27 : x
  2. Step 2: Convert to fraction form
    3,616.36/5,425.32 = 1,276.27/x
  3. Step 3: Cross multiply
    3,616.36x = 5,425.32 × 1,276.27
  4. Step 4: Simplify right side
    3,616.36x = 6,924,173.16
  5. Step 5: Solve for x
    x = 6,924,173.16/3,616.36
  6. Step 6: Final answer
    x = 1,914.68

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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.