Home / 3,539.28-4,884.23-2,213.75

Finding the Fourth Proportional to 3,539.28, 4,884.23 and 2,213.75

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Solution

The fourth proportional to 3,539.28, 4,884.23 and 2,213.75 is: 3,054.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.28 : 4,884.23 = 2,213.75 : x
  2. Step 2: Convert to fraction form
    3,539.28/4,884.23 = 2,213.75/x
  3. Step 3: Cross multiply
    3,539.28x = 4,884.23 × 2,213.75
  4. Step 4: Simplify right side
    3,539.28x = 10,812,464.16
  5. Step 5: Solve for x
    x = 10,812,464.16/3,539.28
  6. Step 6: Final answer
    x = 3,054.99

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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.