Home / 3,255.78-4,883.88-1,307.99

Finding the Fourth Proportional to 3,255.78, 4,883.88 and 1,307.99

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Solution

The fourth proportional to 3,255.78, 4,883.88 and 1,307.99 is: 1,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.78 : 4,883.88 = 1,307.99 : x
  2. Step 2: Convert to fraction form
    3,255.78/4,883.88 = 1,307.99/x
  3. Step 3: Cross multiply
    3,255.78x = 4,883.88 × 1,307.99
  4. Step 4: Simplify right side
    3,255.78x = 6,388,046.69
  5. Step 5: Solve for x
    x = 6,388,046.69/3,255.78
  6. Step 6: Final answer
    x = 1,962.06

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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.