Home / 3,388.62-5,090.72-2,403.88

Finding the Fourth Proportional to 3,388.62, 5,090.72 and 2,403.88

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Solution

The fourth proportional to 3,388.62, 5,090.72 and 2,403.88 is: 3,611.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.62 : 5,090.72 = 2,403.88 : x
  2. Step 2: Convert to fraction form
    3,388.62/5,090.72 = 2,403.88/x
  3. Step 3: Cross multiply
    3,388.62x = 5,090.72 × 2,403.88
  4. Step 4: Simplify right side
    3,388.62x = 12,237,455.25
  5. Step 5: Solve for x
    x = 12,237,455.25/3,388.62
  6. Step 6: Final answer
    x = 3,611.34

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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.