Home / 3,192.75-4,403.16-2,072.63

Finding the Fourth Proportional to 3,192.75, 4,403.16 and 2,072.63

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Solution

The fourth proportional to 3,192.75, 4,403.16 and 2,072.63 is: 2,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.75 : 4,403.16 = 2,072.63 : x
  2. Step 2: Convert to fraction form
    3,192.75/4,403.16 = 2,072.63/x
  3. Step 3: Cross multiply
    3,192.75x = 4,403.16 × 2,072.63
  4. Step 4: Simplify right side
    3,192.75x = 9,126,132.52
  5. Step 5: Solve for x
    x = 9,126,132.52/3,192.75
  6. Step 6: Final answer
    x = 2,858.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.