Home / 3,560.49-5,336.39-2,520.78

Finding the Fourth Proportional to 3,560.49, 5,336.39 and 2,520.78

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Solution

The fourth proportional to 3,560.49, 5,336.39 and 2,520.78 is: 3,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.49 : 5,336.39 = 2,520.78 : x
  2. Step 2: Convert to fraction form
    3,560.49/5,336.39 = 2,520.78/x
  3. Step 3: Cross multiply
    3,560.49x = 5,336.39 × 2,520.78
  4. Step 4: Simplify right side
    3,560.49x = 13,451,852.58
  5. Step 5: Solve for x
    x = 13,451,852.58/3,560.49
  6. Step 6: Final answer
    x = 3,778.09

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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.