Home / 3,255.80-4,883.70-3,207.20

Finding the Fourth Proportional to 3,255.80, 4,883.70 and 3,207.20

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Solution

The fourth proportional to 3,255.80, 4,883.70 and 3,207.20 is: 4,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.80 : 4,883.70 = 3,207.20 : x
  2. Step 2: Convert to fraction form
    3,255.80/4,883.70 = 3,207.20/x
  3. Step 3: Cross multiply
    3,255.80x = 4,883.70 × 3,207.20
  4. Step 4: Simplify right side
    3,255.80x = 15,663,002.64
  5. Step 5: Solve for x
    x = 15,663,002.64/3,255.80
  6. Step 6: Final answer
    x = 4,810.80

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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.