Home / 3,722.86-5,585.30-2,080.58

Finding the Fourth Proportional to 3,722.86, 5,585.30 and 2,080.58

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Solution

The fourth proportional to 3,722.86, 5,585.30 and 2,080.58 is: 3,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.86 : 5,585.30 = 2,080.58 : x
  2. Step 2: Convert to fraction form
    3,722.86/5,585.30 = 2,080.58/x
  3. Step 3: Cross multiply
    3,722.86x = 5,585.30 × 2,080.58
  4. Step 4: Simplify right side
    3,722.86x = 11,620,663.47
  5. Step 5: Solve for x
    x = 11,620,663.47/3,722.86
  6. Step 6: Final answer
    x = 3,121.43

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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.