Home / 3,654.37-5,478.99-2,481.49

Finding the Fourth Proportional to 3,654.37, 5,478.99 and 2,481.49

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Solution

The fourth proportional to 3,654.37, 5,478.99 and 2,481.49 is: 3,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.37 : 5,478.99 = 2,481.49 : x
  2. Step 2: Convert to fraction form
    3,654.37/5,478.99 = 2,481.49/x
  3. Step 3: Cross multiply
    3,654.37x = 5,478.99 × 2,481.49
  4. Step 4: Simplify right side
    3,654.37x = 13,596,058.90
  5. Step 5: Solve for x
    x = 13,596,058.90/3,654.37
  6. Step 6: Final answer
    x = 3,720.49

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1.5x scale

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.