Home / 3,720.80-5,582.14-2,627.30

Finding the Fourth Proportional to 3,720.80, 5,582.14 and 2,627.30

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Solution

The fourth proportional to 3,720.80, 5,582.14 and 2,627.30 is: 3,941.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.80 : 5,582.14 = 2,627.30 : x
  2. Step 2: Convert to fraction form
    3,720.80/5,582.14 = 2,627.30/x
  3. Step 3: Cross multiply
    3,720.80x = 5,582.14 × 2,627.30
  4. Step 4: Simplify right side
    3,720.80x = 14,665,921.94
  5. Step 5: Solve for x
    x = 14,665,921.94/3,720.80
  6. Step 6: Final answer
    x = 3,941.61

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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.