Home / 3,788.22-5,684.40-2,869.50

Finding the Fourth Proportional to 3,788.22, 5,684.40 and 2,869.50

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Solution

The fourth proportional to 3,788.22, 5,684.40 and 2,869.50 is: 4,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.22 : 5,684.40 = 2,869.50 : x
  2. Step 2: Convert to fraction form
    3,788.22/5,684.40 = 2,869.50/x
  3. Step 3: Cross multiply
    3,788.22x = 5,684.40 × 2,869.50
  4. Step 4: Simplify right side
    3,788.22x = 16,311,385.80
  5. Step 5: Solve for x
    x = 16,311,385.80/3,788.22
  6. Step 6: Final answer
    x = 4,305.82

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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.