Home / 3,201.30-4,801.95-2,763.90

Finding the Fourth Proportional to 3,201.30, 4,801.95 and 2,763.90

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Solution

The fourth proportional to 3,201.30, 4,801.95 and 2,763.90 is: 4,145.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.30 : 4,801.95 = 2,763.90 : x
  2. Step 2: Convert to fraction form
    3,201.30/4,801.95 = 2,763.90/x
  3. Step 3: Cross multiply
    3,201.30x = 4,801.95 × 2,763.90
  4. Step 4: Simplify right side
    3,201.30x = 13,272,109.61
  5. Step 5: Solve for x
    x = 13,272,109.61/3,201.30
  6. Step 6: Final answer
    x = 4,145.85

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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.