Home / 3,333.20-4,992.20-2,859.34

Finding the Fourth Proportional to 3,333.20, 4,992.20 and 2,859.34

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Solution

The fourth proportional to 3,333.20, 4,992.20 and 2,859.34 is: 4,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.20 : 4,992.20 = 2,859.34 : x
  2. Step 2: Convert to fraction form
    3,333.20/4,992.20 = 2,859.34/x
  3. Step 3: Cross multiply
    3,333.20x = 4,992.20 × 2,859.34
  4. Step 4: Simplify right side
    3,333.20x = 14,274,397.15
  5. Step 5: Solve for x
    x = 14,274,397.15/3,333.20
  6. Step 6: Final answer
    x = 4,282.49

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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.