Home / 3,255.42-4,882.73-1,307.64

Finding the Fourth Proportional to 3,255.42, 4,882.73 and 1,307.64

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Solution

The fourth proportional to 3,255.42, 4,882.73 and 1,307.64 is: 1,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.42 : 4,882.73 = 1,307.64 : x
  2. Step 2: Convert to fraction form
    3,255.42/4,882.73 = 1,307.64/x
  3. Step 3: Cross multiply
    3,255.42x = 4,882.73 × 1,307.64
  4. Step 4: Simplify right side
    3,255.42x = 6,384,846.52
  5. Step 5: Solve for x
    x = 6,384,846.52/3,255.42
  6. Step 6: Final answer
    x = 1,961.30

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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.