Home / 3,269.21-4,904.15-1,419.80

Finding the Fourth Proportional to 3,269.21, 4,904.15 and 1,419.80

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Solution

The fourth proportional to 3,269.21, 4,904.15 and 1,419.80 is: 2,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.21 : 4,904.15 = 1,419.80 : x
  2. Step 2: Convert to fraction form
    3,269.21/4,904.15 = 1,419.80/x
  3. Step 3: Cross multiply
    3,269.21x = 4,904.15 × 1,419.80
  4. Step 4: Simplify right side
    3,269.21x = 6,962,880.55
  5. Step 5: Solve for x
    x = 6,962,880.55/3,269.21
  6. Step 6: Final answer
    x = 2,129.84

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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.