Home / 3,195.08-4,408.94-1,778.66

Finding the Fourth Proportional to 3,195.08, 4,408.94 and 1,778.66

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Solution

The fourth proportional to 3,195.08, 4,408.94 and 1,778.66 is: 2,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.08 : 4,408.94 = 1,778.66 : x
  2. Step 2: Convert to fraction form
    3,195.08/4,408.94 = 1,778.66/x
  3. Step 3: Cross multiply
    3,195.08x = 4,408.94 × 1,778.66
  4. Step 4: Simplify right side
    3,195.08x = 7,842,005.22
  5. Step 5: Solve for x
    x = 7,842,005.22/3,195.08
  6. Step 6: Final answer
    x = 2,454.40

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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.