Home / 3,172.85-4,759.77-1,092.35

Finding the Fourth Proportional to 3,172.85, 4,759.77 and 1,092.35

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Solution

The fourth proportional to 3,172.85, 4,759.77 and 1,092.35 is: 1,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.85 : 4,759.77 = 1,092.35 : x
  2. Step 2: Convert to fraction form
    3,172.85/4,759.77 = 1,092.35/x
  3. Step 3: Cross multiply
    3,172.85x = 4,759.77 × 1,092.35
  4. Step 4: Simplify right side
    3,172.85x = 5,199,310.96
  5. Step 5: Solve for x
    x = 5,199,310.96/3,172.85
  6. Step 6: Final answer
    x = 1,638.69

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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.