Home / 3,628.45-5,432.92-2,305.03

Finding the Fourth Proportional to 3,628.45, 5,432.92 and 2,305.03

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Solution

The fourth proportional to 3,628.45, 5,432.92 and 2,305.03 is: 3,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.45 : 5,432.92 = 2,305.03 : x
  2. Step 2: Convert to fraction form
    3,628.45/5,432.92 = 2,305.03/x
  3. Step 3: Cross multiply
    3,628.45x = 5,432.92 × 2,305.03
  4. Step 4: Simplify right side
    3,628.45x = 12,523,043.59
  5. Step 5: Solve for x
    x = 12,523,043.59/3,628.45
  6. Step 6: Final answer
    x = 3,451.35

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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.