Home / 3,779.30-5,664.14-2,136.77

Finding the Fourth Proportional to 3,779.30, 5,664.14 and 2,136.77

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Solution

The fourth proportional to 3,779.30, 5,664.14 and 2,136.77 is: 3,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.30 : 5,664.14 = 2,136.77 : x
  2. Step 2: Convert to fraction form
    3,779.30/5,664.14 = 2,136.77/x
  3. Step 3: Cross multiply
    3,779.30x = 5,664.14 × 2,136.77
  4. Step 4: Simplify right side
    3,779.30x = 12,102,964.43
  5. Step 5: Solve for x
    x = 12,102,964.43/3,779.30
  6. Step 6: Final answer
    x = 3,202.44

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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.