Home / 3,774.20-5,662.11-1,581.80

Finding the Fourth Proportional to 3,774.20, 5,662.11 and 1,581.80

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Solution

The fourth proportional to 3,774.20, 5,662.11 and 1,581.80 is: 2,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.20 : 5,662.11 = 1,581.80 : x
  2. Step 2: Convert to fraction form
    3,774.20/5,662.11 = 1,581.80/x
  3. Step 3: Cross multiply
    3,774.20x = 5,662.11 × 1,581.80
  4. Step 4: Simplify right side
    3,774.20x = 8,956,325.60
  5. Step 5: Solve for x
    x = 8,956,325.60/3,774.20
  6. Step 6: Final answer
    x = 2,373.04

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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.