Home / 3,388.28-5,081.58-2,299.40

Finding the Fourth Proportional to 3,388.28, 5,081.58 and 2,299.40

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Solution

The fourth proportional to 3,388.28, 5,081.58 and 2,299.40 is: 3,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.28 : 5,081.58 = 2,299.40 : x
  2. Step 2: Convert to fraction form
    3,388.28/5,081.58 = 2,299.40/x
  3. Step 3: Cross multiply
    3,388.28x = 5,081.58 × 2,299.40
  4. Step 4: Simplify right side
    3,388.28x = 11,684,585.05
  5. Step 5: Solve for x
    x = 11,684,585.05/3,388.28
  6. Step 6: Final answer
    x = 3,448.53

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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.