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Finding the Fourth Proportional to 3,660.72, 5,492.48 and 2,200.88

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Solution

The fourth proportional to 3,660.72, 5,492.48 and 2,200.88 is: 3,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.72 : 5,492.48 = 2,200.88 : x
  2. Step 2: Convert to fraction form
    3,660.72/5,492.48 = 2,200.88/x
  3. Step 3: Cross multiply
    3,660.72x = 5,492.48 × 2,200.88
  4. Step 4: Simplify right side
    3,660.72x = 12,088,289.38
  5. Step 5: Solve for x
    x = 12,088,289.38/3,660.72
  6. Step 6: Final answer
    x = 3,302.16

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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.