Home / 3,539.35-4,882.94-2,280.31

Finding the Fourth Proportional to 3,539.35, 4,882.94 and 2,280.31

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Solution

The fourth proportional to 3,539.35, 4,882.94 and 2,280.31 is: 3,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.35 : 4,882.94 = 2,280.31 : x
  2. Step 2: Convert to fraction form
    3,539.35/4,882.94 = 2,280.31/x
  3. Step 3: Cross multiply
    3,539.35x = 4,882.94 × 2,280.31
  4. Step 4: Simplify right side
    3,539.35x = 11,134,593.30
  5. Step 5: Solve for x
    x = 11,134,593.30/3,539.35
  6. Step 6: Final answer
    x = 3,145.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.