Home / 3,280.83-4,884.12-3,261.36

Finding the Fourth Proportional to 3,280.83, 4,884.12 and 3,261.36

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Solution

The fourth proportional to 3,280.83, 4,884.12 and 3,261.36 is: 4,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.83 : 4,884.12 = 3,261.36 : x
  2. Step 2: Convert to fraction form
    3,280.83/4,884.12 = 3,261.36/x
  3. Step 3: Cross multiply
    3,280.83x = 4,884.12 × 3,261.36
  4. Step 4: Simplify right side
    3,280.83x = 15,928,873.60
  5. Step 5: Solve for x
    x = 15,928,873.60/3,280.83
  6. Step 6: Final answer
    x = 4,855.14

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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.