Home / 3,168.97-4,751.43-2,779.75

Finding the Fourth Proportional to 3,168.97, 4,751.43 and 2,779.75

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Solution

The fourth proportional to 3,168.97, 4,751.43 and 2,779.75 is: 4,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.97 : 4,751.43 = 2,779.75 : x
  2. Step 2: Convert to fraction form
    3,168.97/4,751.43 = 2,779.75/x
  3. Step 3: Cross multiply
    3,168.97x = 4,751.43 × 2,779.75
  4. Step 4: Simplify right side
    3,168.97x = 13,207,783.06
  5. Step 5: Solve for x
    x = 13,207,783.06/3,168.97
  6. Step 6: Final answer
    x = 4,167.85

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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.