Home / 3,333.20-4,993.56-2,788.88

Finding the Fourth Proportional to 3,333.20, 4,993.56 and 2,788.88

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Solution

The fourth proportional to 3,333.20, 4,993.56 and 2,788.88 is: 4,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.20 : 4,993.56 = 2,788.88 : x
  2. Step 2: Convert to fraction form
    3,333.20/4,993.56 = 2,788.88/x
  3. Step 3: Cross multiply
    3,333.20x = 4,993.56 × 2,788.88
  4. Step 4: Simplify right side
    3,333.20x = 13,926,439.61
  5. Step 5: Solve for x
    x = 13,926,439.61/3,333.20
  6. Step 6: Final answer
    x = 4,178.10

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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.