Home / 3,255.84-4,880.76-1,282.55

Finding the Fourth Proportional to 3,255.84, 4,880.76 and 1,282.55

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Solution

The fourth proportional to 3,255.84, 4,880.76 and 1,282.55 is: 1,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.84 : 4,880.76 = 1,282.55 : x
  2. Step 2: Convert to fraction form
    3,255.84/4,880.76 = 1,282.55/x
  3. Step 3: Cross multiply
    3,255.84x = 4,880.76 × 1,282.55
  4. Step 4: Simplify right side
    3,255.84x = 6,259,789.52
  5. Step 5: Solve for x
    x = 6,259,789.52/3,255.84
  6. Step 6: Final answer
    x = 1,922.63

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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.