Home / 3,255.05-4,488.61-2,784.50

Finding the Fourth Proportional to 3,255.05, 4,488.61 and 2,784.50

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Solution

The fourth proportional to 3,255.05, 4,488.61 and 2,784.50 is: 3,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.05 : 4,488.61 = 2,784.50 : x
  2. Step 2: Convert to fraction form
    3,255.05/4,488.61 = 2,784.50/x
  3. Step 3: Cross multiply
    3,255.05x = 4,488.61 × 2,784.50
  4. Step 4: Simplify right side
    3,255.05x = 12,498,552.44
  5. Step 5: Solve for x
    x = 12,498,552.44/3,255.05
  6. Step 6: Final answer
    x = 3,839.74

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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.