Home / 3,194.48-4,408.47-1,778.27

Finding the Fourth Proportional to 3,194.48, 4,408.47 and 1,778.27

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Solution

The fourth proportional to 3,194.48, 4,408.47 and 1,778.27 is: 2,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.48 : 4,408.47 = 1,778.27 : x
  2. Step 2: Convert to fraction form
    3,194.48/4,408.47 = 1,778.27/x
  3. Step 3: Cross multiply
    3,194.48x = 4,408.47 × 1,778.27
  4. Step 4: Simplify right side
    3,194.48x = 7,839,427.90
  5. Step 5: Solve for x
    x = 7,839,427.90/3,194.48
  6. Step 6: Final answer
    x = 2,454.05

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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.