Home / 3,321.96-4,551.11-3,197.40

Finding the Fourth Proportional to 3,321.96, 4,551.11 and 3,197.40

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Solution

The fourth proportional to 3,321.96, 4,551.11 and 3,197.40 is: 4,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.96 : 4,551.11 = 3,197.40 : x
  2. Step 2: Convert to fraction form
    3,321.96/4,551.11 = 3,197.40/x
  3. Step 3: Cross multiply
    3,321.96x = 4,551.11 × 3,197.40
  4. Step 4: Simplify right side
    3,321.96x = 14,551,703.13
  5. Step 5: Solve for x
    x = 14,551,703.13/3,321.96
  6. Step 6: Final answer
    x = 4,380.46

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.