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Finding the Fourth Proportional to 2,049.12, 3,073.61 and 662.35

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Solution

The fourth proportional to 2,049.12, 3,073.61 and 662.35 is: 993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.12 : 3,073.61 = 662.35 : x
  2. Step 2: Convert to fraction form
    2,049.12/3,073.61 = 662.35/x
  3. Step 3: Cross multiply
    2,049.12x = 3,073.61 × 662.35
  4. Step 4: Simplify right side
    2,049.12x = 2,035,805.58
  5. Step 5: Solve for x
    x = 2,035,805.58/2,049.12
  6. Step 6: Final answer
    x = 993.50

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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.