Home / 3,808.45-5,712.70-2,493.31

Finding the Fourth Proportional to 3,808.45, 5,712.70 and 2,493.31

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Solution

The fourth proportional to 3,808.45, 5,712.70 and 2,493.31 is: 3,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.45 : 5,712.70 = 2,493.31 : x
  2. Step 2: Convert to fraction form
    3,808.45/5,712.70 = 2,493.31/x
  3. Step 3: Cross multiply
    3,808.45x = 5,712.70 × 2,493.31
  4. Step 4: Simplify right side
    3,808.45x = 14,243,491.01
  5. Step 5: Solve for x
    x = 14,243,491.01/3,808.45
  6. Step 6: Final answer
    x = 3,739.98

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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.