Home / 3,606.30-4,982.04-2,857.86

Finding the Fourth Proportional to 3,606.30, 4,982.04 and 2,857.86

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Solution

The fourth proportional to 3,606.30, 4,982.04 and 2,857.86 is: 3,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.30 : 4,982.04 = 2,857.86 : x
  2. Step 2: Convert to fraction form
    3,606.30/4,982.04 = 2,857.86/x
  3. Step 3: Cross multiply
    3,606.30x = 4,982.04 × 2,857.86
  4. Step 4: Simplify right side
    3,606.30x = 14,237,972.83
  5. Step 5: Solve for x
    x = 14,237,972.83/3,606.30
  6. Step 6: Final answer
    x = 3,948.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.