Home / 3,241.56-4,839.99-2,778.60

Finding the Fourth Proportional to 3,241.56, 4,839.99 and 2,778.60

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Solution

The fourth proportional to 3,241.56, 4,839.99 and 2,778.60 is: 4,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.56 : 4,839.99 = 2,778.60 : x
  2. Step 2: Convert to fraction form
    3,241.56/4,839.99 = 2,778.60/x
  3. Step 3: Cross multiply
    3,241.56x = 4,839.99 × 2,778.60
  4. Step 4: Simplify right side
    3,241.56x = 13,448,396.21
  5. Step 5: Solve for x
    x = 13,448,396.21/3,241.56
  6. Step 6: Final answer
    x = 4,148.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.