Home / 3,200.90-4,801.35-3,179.30

Finding the Fourth Proportional to 3,200.90, 4,801.35 and 3,179.30

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Solution

The fourth proportional to 3,200.90, 4,801.35 and 3,179.30 is: 4,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.90 : 4,801.35 = 3,179.30 : x
  2. Step 2: Convert to fraction form
    3,200.90/4,801.35 = 3,179.30/x
  3. Step 3: Cross multiply
    3,200.90x = 4,801.35 × 3,179.30
  4. Step 4: Simplify right side
    3,200.90x = 15,264,932.06
  5. Step 5: Solve for x
    x = 15,264,932.06/3,200.90
  6. Step 6: Final answer
    x = 4,768.95

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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.