Home / 3,005.62-4,500.21-2,487.12

Finding the Fourth Proportional to 3,005.62, 4,500.21 and 2,487.12

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Solution

The fourth proportional to 3,005.62, 4,500.21 and 2,487.12 is: 3,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.62 : 4,500.21 = 2,487.12 : x
  2. Step 2: Convert to fraction form
    3,005.62/4,500.21 = 2,487.12/x
  3. Step 3: Cross multiply
    3,005.62x = 4,500.21 × 2,487.12
  4. Step 4: Simplify right side
    3,005.62x = 11,192,566.07
  5. Step 5: Solve for x
    x = 11,192,566.07/3,005.62
  6. Step 6: Final answer
    x = 3,723.88

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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.