Home / 3,192.35-4,408.22-2,147.45

Finding the Fourth Proportional to 3,192.35, 4,408.22 and 2,147.45

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Solution

The fourth proportional to 3,192.35, 4,408.22 and 2,147.45 is: 2,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.35 : 4,408.22 = 2,147.45 : x
  2. Step 2: Convert to fraction form
    3,192.35/4,408.22 = 2,147.45/x
  3. Step 3: Cross multiply
    3,192.35x = 4,408.22 × 2,147.45
  4. Step 4: Simplify right side
    3,192.35x = 9,466,415.37
  5. Step 5: Solve for x
    x = 9,466,415.37/3,192.35
  6. Step 6: Final answer
    x = 2,965.35

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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.