Home / 3,327.78-4,992.26-1,380.14

Finding the Fourth Proportional to 3,327.78, 4,992.26 and 1,380.14

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Solution

The fourth proportional to 3,327.78, 4,992.26 and 1,380.14 is: 2,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.78 : 4,992.26 = 1,380.14 : x
  2. Step 2: Convert to fraction form
    3,327.78/4,992.26 = 1,380.14/x
  3. Step 3: Cross multiply
    3,327.78x = 4,992.26 × 1,380.14
  4. Step 4: Simplify right side
    3,327.78x = 6,889,985.85
  5. Step 5: Solve for x
    x = 6,889,985.85/3,327.78
  6. Step 6: Final answer
    x = 2,070.45

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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.