Home / 3,613.37-5,420.75-1,274.04

Finding the Fourth Proportional to 3,613.37, 5,420.75 and 1,274.04

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Solution

The fourth proportional to 3,613.37, 5,420.75 and 1,274.04 is: 1,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.37 : 5,420.75 = 1,274.04 : x
  2. Step 2: Convert to fraction form
    3,613.37/5,420.75 = 1,274.04/x
  3. Step 3: Cross multiply
    3,613.37x = 5,420.75 × 1,274.04
  4. Step 4: Simplify right side
    3,613.37x = 6,906,245.96
  5. Step 5: Solve for x
    x = 6,906,245.96/3,613.37
  6. Step 6: Final answer
    x = 1,911.31

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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.