Home / 3,172.59-4,759.21-1,092.32

Finding the Fourth Proportional to 3,172.59, 4,759.21 and 1,092.32

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Solution

The fourth proportional to 3,172.59, 4,759.21 and 1,092.32 is: 1,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.59 : 4,759.21 = 1,092.32 : x
  2. Step 2: Convert to fraction form
    3,172.59/4,759.21 = 1,092.32/x
  3. Step 3: Cross multiply
    3,172.59x = 4,759.21 × 1,092.32
  4. Step 4: Simplify right side
    3,172.59x = 5,198,569.54
  5. Step 5: Solve for x
    x = 5,198,569.54/3,172.59
  6. Step 6: Final answer
    x = 1,638.59

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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.