Home / 3,655.25-5,044.24-1,976.67

Finding the Fourth Proportional to 3,655.25, 5,044.24 and 1,976.67

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Solution

The fourth proportional to 3,655.25, 5,044.24 and 1,976.67 is: 2,727.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.25 : 5,044.24 = 1,976.67 : x
  2. Step 2: Convert to fraction form
    3,655.25/5,044.24 = 1,976.67/x
  3. Step 3: Cross multiply
    3,655.25x = 5,044.24 × 1,976.67
  4. Step 4: Simplify right side
    3,655.25x = 9,970,797.88
  5. Step 5: Solve for x
    x = 9,970,797.88/3,655.25
  6. Step 6: Final answer
    x = 2,727.80

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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.