Home / 3,350.11-4,628.61-2,788.78

Finding the Fourth Proportional to 3,350.11, 4,628.61 and 2,788.78

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Solution

The fourth proportional to 3,350.11, 4,628.61 and 2,788.78 is: 3,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.11 : 4,628.61 = 2,788.78 : x
  2. Step 2: Convert to fraction form
    3,350.11/4,628.61 = 2,788.78/x
  3. Step 3: Cross multiply
    3,350.11x = 4,628.61 × 2,788.78
  4. Step 4: Simplify right side
    3,350.11x = 12,908,175.00
  5. Step 5: Solve for x
    x = 12,908,175.00/3,350.11
  6. Step 6: Final answer
    x = 3,853.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.