Home / 3,929.28-5,884.19-2,280.83

Finding the Fourth Proportional to 3,929.28, 5,884.19 and 2,280.83

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Solution

The fourth proportional to 3,929.28, 5,884.19 and 2,280.83 is: 3,415.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.28 : 5,884.19 = 2,280.83 : x
  2. Step 2: Convert to fraction form
    3,929.28/5,884.19 = 2,280.83/x
  3. Step 3: Cross multiply
    3,929.28x = 5,884.19 × 2,280.83
  4. Step 4: Simplify right side
    3,929.28x = 13,420,796.25
  5. Step 5: Solve for x
    x = 13,420,796.25/3,929.28
  6. Step 6: Final answer
    x = 3,415.59

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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.