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Finding the Fourth Proportional to 4,000.50, 5,520.68 and 2,232.00

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Solution

The fourth proportional to 4,000.50, 5,520.68 and 2,232.00 is: 3,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.50 : 5,520.68 = 2,232.00 : x
  2. Step 2: Convert to fraction form
    4,000.50/5,520.68 = 2,232.00/x
  3. Step 3: Cross multiply
    4,000.50x = 5,520.68 × 2,232.00
  4. Step 4: Simplify right side
    4,000.50x = 12,322,119.00
  5. Step 5: Solve for x
    x = 12,322,119.00/4,000.50
  6. Step 6: Final answer
    x = 3,080.15

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1.5x scale

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.