Home / 3,680.63-5,520.94-2,229.01

Finding the Fourth Proportional to 3,680.63, 5,520.94 and 2,229.01

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Solution

The fourth proportional to 3,680.63, 5,520.94 and 2,229.01 is: 3,343.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.63 : 5,520.94 = 2,229.01 : x
  2. Step 2: Convert to fraction form
    3,680.63/5,520.94 = 2,229.01/x
  3. Step 3: Cross multiply
    3,680.63x = 5,520.94 × 2,229.01
  4. Step 4: Simplify right side
    3,680.63x = 12,306,230.47
  5. Step 5: Solve for x
    x = 12,306,230.47/3,680.63
  6. Step 6: Final answer
    x = 3,343.51

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1.5x scale

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.