Home / 3,327.20-4,986.60-1,684.16

Finding the Fourth Proportional to 3,327.20, 4,986.60 and 1,684.16

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Solution

The fourth proportional to 3,327.20, 4,986.60 and 1,684.16 is: 2,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.20 : 4,986.60 = 1,684.16 : x
  2. Step 2: Convert to fraction form
    3,327.20/4,986.60 = 1,684.16/x
  3. Step 3: Cross multiply
    3,327.20x = 4,986.60 × 1,684.16
  4. Step 4: Simplify right side
    3,327.20x = 8,398,232.26
  5. Step 5: Solve for x
    x = 8,398,232.26/3,327.20
  6. Step 6: Final answer
    x = 2,524.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.