Home / 3,188.28-4,774.65-2,259.42

Finding the Fourth Proportional to 3,188.28, 4,774.65 and 2,259.42

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Solution

The fourth proportional to 3,188.28, 4,774.65 and 2,259.42 is: 3,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.28 : 4,774.65 = 2,259.42 : x
  2. Step 2: Convert to fraction form
    3,188.28/4,774.65 = 2,259.42/x
  3. Step 3: Cross multiply
    3,188.28x = 4,774.65 × 2,259.42
  4. Step 4: Simplify right side
    3,188.28x = 10,787,939.70
  5. Step 5: Solve for x
    x = 10,787,939.70/3,188.28
  6. Step 6: Final answer
    x = 3,383.62

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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.